9 k# o" {4 a5 W3 n7 l* u( X) j 否则,返回object.__str__()的结果(如果已定义)或repr(对象)。9 q% H, u, k: J9 v$ Z. U2 D
2 p* K/ B/ h1 y! S/ k 编码默认为sys.getdefaultencoding()。 5 C$ g3 k3 h. n h. S 1 k, H3 o; H$ e4 w% h- ]+ X: ` Errors默认为'strict'。 : x/ n% l* X- d6 Q4 s """# v K0 r% D# m
def capitalize(self, *args, **kwargs): # real signature unknown # j+ V$ s U' c. N """ F* [* Q" I2 K9 w Return a capitalized version of the string. - j5 K( c' n& K! Z2 ^ 6 f' W1 _; Q; n1 U' N7 b3 o More specifically, make the first character have upper case and the rest lower9 s5 n* h- R) E" I }9 b
case. 2 U( ]& p2 l4 J$ A """ - Y; z& d+ m6 M; J& Q' _ pass + S: B+ ?4 K/ I, P: J- q. \ 8 g- C# I8 G7 o# a& a1 a def casefold(self, *args, **kwargs): # real signature unknown 2 d; V5 L, `) U+ _( l """ Return a version of the string suitable for caseless comparisons. """# {) d) U& q1 U7 @0 E/ {# s" w+ G2 A
pass, l0 p- k1 r, _# T3 k5 N
- Q" H- r) e0 b. V# Y! Q! S4 K1 ?' O6 u2 f
def center(self, *args, **kwargs): # real signature unknown + ~8 [3 x; P! N$ @' S; E( e/ L+ g9 b( X, c """$ i! [) n2 E9 i+ w8 Y- J3 a
返回一个居中长度为width的字符串。 ; ~' M$ p/ H8 Y& u. A7 l 7 z9 p- z7 e! e" A! e7 i4 ` 使用指定的填充字符(默认为空格)填充。 # C" T$ i* y2 ~, C8 f7 m6 C5 y """3 B8 ~, D/ g* N% L% r" ?- v
pass# V) o# q8 T" ~& G. R
- C8 E0 r: Y$ Y7 }" a. m+ E def count(self, sub, start=None, end=None): # real signature unknown; restored from __doc__ 7 W1 F4 ]8 x0 i. e """3 I8 v0 {; @9 c! c) i
S.count(sub[, start[, end]]) -> + |3 v8 w' U9 w5 r7 g
+ b9 v- Z8 I% w! S1 p) @ k* b
int .count(sub[, start[, end]]返回子字符串sub in不重叠出现的次数6 E% s b% L3 v; a8 d! k
D$ y: ?* W' ]4 \" V2 O Y( [5 G. I
字符串(开始:结束)。可选参数start和end是用切片表示法解释。 5 g1 D9 c+ H) d' C% g" r """ : j% b& y1 Q/ K) S3 R return 0: K+ O3 j8 \3 `) T: j2 N
o- N3 g: W% b; z/ Q- j
def encode(self, *args, **kwargs): # real signature unknown . b5 W: P, e6 Z, w- g """ ( Z1 \* [2 K$ ? Encode the string using the codec registered for encoding.+ O) c& H0 O ?
g, i! F, h+ v/ \0 U) q+ i& l, E encoding : a5 I3 a$ d4 i) o The encoding in which to encode the string. ) L( k3 v* A7 r, N! B errors" D& L K- C. W1 L
The error handling scheme to use for encoding errors.( C2 c% U" k. G D
The default is 'strict' meaning that encoding errors raise a) D; a" @; k$ }9 \' \) n
UnicodeEncodeError. Other possible values are 'ignore', 'replace' and8 `/ Y6 z5 Q/ L, x t
'xmlcharrefreplace' as well as any other name registered with- {& \% c$ d- V* Y6 L5 d
codecs.register_error that can handle UnicodeEncodeErrors.: f7 v- ~) {! \' ?: u. A/ H
1 g: l2 d* w% |1 O$ {" {/ P
使用注册用于编码的编解码器对字符串进行编码。' G! p7 m3 c J7 S. |' y' ?
+ n/ t4 _! a Z' H3 J, c! ]
编码 2 u$ H/ R: q4 f9 k5 u# u 用于编码字符串的编码方式。' F9 \6 D. H7 D& h# ?
错误5 m9 r% B1 W) F5 V, S2 W. }8 ^0 g
用于编码错误的错误处理方案。 8 o0 y# p1 B" r0 G7 d2 H 默认值是'strict',意味着编码错误会引发UnicodeEncodeError。' {9 `5 v- E2 x6 ?+ H" }
其他可能的值有'ignore', 'replace'和'xmlcharrefreplace'以及注册的任何其他名称编解码器。 / e( G* X) t4 U* U6 |$ k1 a 可以处理UnicodeEncodeErrors的register_error。' I6 P$ }9 F5 ^. V/ f) t7 C# @
"""# z' R) h5 R) S$ s& E) _
pass Y. @9 G h& j. y
3 W' H' l6 N+ _5 R
def endswith(self, suffix, start=None, end=None): # real signature unknown; restored from __doc__ 2 s; j7 S3 s2 O2 r) K/ M6 V6 {0 X1 f) D """* B/ |+ C! @- x, g# V8 f$ Q
S.endswith(suffix[, start[, end]]) -> bool & z5 r5 ~( y# |/ m6 k9 d 9 U6 H* v3 Y9 q Return True if S ends with the specified suffix, False otherwise.5 e$ Q6 Q' M9 l* K0 y3 c' z
With optional start, test S beginning at that position.2 w2 u4 m4 m$ ~, o# u7 h
With optional end, stop comparing S at that position. 1 W- }9 W. ~: U! Y suffix can also be a tuple of strings to try. c$ f: U9 r) p% j* m """ . h+ p- o* p# R return False ( i% f: }6 G% o$ P9 T) f. y, U! q4 _8 K, H; m5 x9 n% L
def expandtabs(self, *args, **kwargs): # real signature unknown. h' L/ T+ _& l& d1 h
"""2 `, @( l* j9 I- ~9 X# x- M
Return a copy where all tab characters are expanded using spaces. 9 E8 s) @+ G+ r* j/ e* Z- m' s3 [6 a% I
If tabsize is not given, a tab size of 8 characters is assumed. ' u7 k+ E5 s9 B """: C. r7 y. y) y& W
pass1 e# ~8 x4 O5 b9 r9 L& V, q( ^
, y; l* h9 X- K/ U$ W def find(self, sub, start=None, end=None): # real signature unknown; restored from __doc__0 j3 F, e/ m+ c3 b
"""8 q) Z3 g) c T
S.find(sub[, start[, end]]) -> int+ S) V7 o* e+ A0 Q
" q4 s0 f, l( g4 H% k5 A2 T% } Return the lowest index in S where substring sub is found,3 D+ q. `: u1 v8 K: F, P7 |
such that sub is contained within S[start:end]. Optional4 \2 r0 M3 q4 Y2 f+ Y; G
arguments start and end are interpreted as in slice notation.8 U" v& E8 F' z
" S: O' j+ l$ g Return -1 on failure. ; o8 w9 v+ i1 y% }0 X" Y& k+ c; l4 o |0 F5 E. R4 j% Y- x. C. T2 F/ P
S.find(sub[, start[, end]]) -> int' V2 T1 R- l% u. C6 j+ v( M$ G" U3 `
9 H/ [* D" N3 C 返回S中找到子串sub的最低下标,这样,sub包含在S[start:end]中。6 A9 E2 @ l( u
可选参数start和end被解释为切片表示法。 4 v& i( \. f, g( \ 3 f! v1 y) L6 ?& G) @% y5 Q/ Y4 [
失败时返回-1。 - J( ~2 B5 g7 D% O- s8 Q/ a o h
""". N/ `: q1 s( Y1 d
return 02 }7 y& W6 s* ^6 f1 l6 k1 |; m' |
0 ]7 F0 {1 T+ K4 i$ e6 } def format(self, *args, **kwargs): # known special case of str.format 3 Q1 j6 i9 M' {" x, G' _8 i """ , M6 w+ F2 p0 b8 e5 m S.format(*args, **kwargs) -> str" e s# `# S9 W
! w+ ~/ s' o/ d. s2 T7 z Return a formatted version of S, using substitutions from args and kwargs.0 g% w# E+ _( G7 S2 o3 `5 Y
The substitutions are identified by braces ('{' and '}').# K2 I' ?3 G$ |9 A
+ \- e- n* k5 U: N S.format(*args, **kwargs) -> str ) C# X& ]; q& Y2 R3 p 5 F/ i( j! D5 y9 F3 c/ H4 c 使用args和kwargs的替换,返回S的格式化版本。# H- t0 q, N; H, b9 r/ D
替换由大括号('{'和'}')标识。 ) c# Q) A& x1 `0 N+ q """ , ^/ e4 { Q% X1 U6 n, i pass 5 _8 c R5 [! V% ` & T1 ~4 l, W. @ def format_map(self, mapping): # real signature unknown; restored from __doc__ ' c* f- z' p- w+ G9 F+ l \ """$ }3 P% p! Q: `3 `. v. n6 v
S.format_map(mapping) -> str & i7 D! C0 n. o 5 j5 ^5 K2 d- e" a& b! {& ~6 H Return a formatted version of S, using substitutions from mapping.* Q8 H% l* Q% L' Z. D
The substitutions are identified by braces ('{' and '}'). ! n5 w& ~5 ^5 c& P """ 2 ^& K4 T; ?+ {- c ] return "") Q) q; f1 Q; i- C& K$ B& v( k! r. u
$ r! ~2 l8 k' c) X0 e def index(self, sub, start=None, end=None): # real signature unknown; restored from __doc__ 1 [* ]) x0 D: } """0 }6 s$ V3 B% ?$ W, Y
S.index(sub[, start[, end]]) -> int 7 S. ?, c5 s0 A2 A+ f$ i8 {, M9 [0 D% c2 m) G8 e8 [
Return the lowest index in S where substring sub is found,6 \/ J) _3 z. b& ^, N# ]9 N
such that sub is contained within S[start:end]. Optional( l2 R$ ~2 J3 c: j2 S
arguments start and end are interpreted as in slice notation.8 x) |, b8 v: ~6 A' o: ]
( C7 B6 p, {. g$ W% N4 D% D Raises ValueError when the substring is not found.: p1 S- G! H$ o/ o1 ~
) G! R$ l1 M& |7 }3 k$ _& n1 L: m& z
S.index(sub[, start[, end]]) -> int , V7 K$ u7 o3 x
.index(sub[, start[, end]]/ @, x0 F) ~+ u8 I; H
0 m+ s1 Q* m7 b, L' U 返回S中找到子串sub的最低下标,这样,sub包含在S[start:end]中。6 @' r9 ~( K9 {+ ]. A5 |$ a ?1 B
可选参数start和end被解释为切片表示法。/ ^) m1 |, a* m4 ]% o" s
9 C: p% p4 @ w% g 当没有找到子字符串时引发ValueError。 . f7 r. ]" A/ L& f* z """5 O' B' D+ i, g# b0 ^0 t
return 0 7 ]9 j/ K. W. y; |; N' M- ~* p9 e6 b* h7 b, ]* S
def isalnum(self, *args, **kwargs): # real signature unknown6 Q0 S% H' O8 i% v2 Q: h* B
"""8 X: Z, X8 P6 _
Return True if the string is an alpha-numeric string, False otherwise.( x* W% O- l) t% w ^/ K0 @
+ @; m) `7 z6 m. W; r; ^- F! A
A string is alpha-numeric if all characters in the string are alpha-numeric and 0 u2 F" q& p" I9 R# J! g' i there is at least one character in the string. 9 P+ {/ x4 y% W/ W' L' \' s) b$ J """9 @9 o: Z" I3 [$ p
pass - C% s" F: A! p% X7 K0 ]4 G A0 h
def isalpha(self, *args, **kwargs): # real signature unknown7 ]4 I! D; p w; [; ?# w/ h) y
""" 4 H3 A2 S* f& f8 C Return True if the string is an alphabetic string, False otherwise. % D- o1 z) j8 k! F! @7 g) ^5 o) A ( O e9 ^: Y% @# Z% n* m! X A string is alphabetic if all characters in the string are alphabetic and there + M8 {3 X+ L k( A9 Q; B! ~ is at least one character in the string.) O3 [& X9 ~$ Y- i# z( w8 b7 v
""" - {) B# I- @ b pass' ?+ H+ t" Z# L. C
+ y" b0 m# \& c/ d def isascii(self, *args, **kwargs): # real signature unknown/ y9 t9 Z6 D0 D) \& n/ `
""" * [& G2 J8 f% q- K Return True if all characters in the string are ASCII, False otherwise.1 A% ?% {4 k- j6 v, d5 k' O
B( i" e0 u: G, e
ASCII characters have code points in the range U+0000-U+007F.8 P# ?. x3 Y5 ]' l3 v! r7 Y
Empty string is ASCII too. 3 @ ^* U; |: ?- [' J& a """ 1 f% b; i. b1 F5 N6 B pass! j- C! Z9 O. R) {" e4 u3 ^
# J4 l- U/ O, ?8 G8 z' V* l def isdecimal(self, *args, **kwargs): # real signature unknown) \- }4 i: f# I' d( S
""" 4 {; x1 r" F% p! U! W7 A% H Return True if the string is a decimal string, False otherwise.0 u) ?! l ]! n+ {. @
% Y5 v4 O$ ?" u" y
A string is a decimal string if all characters in the string are decimal and3 g1 o( e4 K: J2 Z+ ^& w8 A
there is at least one character in the string. 3 \" O+ g2 E, y5 G8 y2 n" K """ , ~3 S5 ]1 s6 _# }/ U pass& W$ O: k+ J4 W* N) K. _
+ V8 B* C T( A9 Y! _0 |
def isdigit(self, *args, **kwargs): # real signature unknown 2 x1 O: I9 y6 ^9 Z) Y5 l& c """ B) Y$ l D0 v" Q: Q
Return True if the string is a digit string, False otherwise. ! m& V7 B2 z/ r1 x3 ?4 A& C( Q- |% h: A) _; H
A string is a digit string if all characters in the string are digits and there % d3 f" ^5 k9 V! M# y% o; q is at least one character in the string. % C) J7 ^9 k0 o """2 l q% G4 V( Z$ e# Y
pass + }5 V! F$ f2 B) J* x% z& c* [9 w3 o) p* v; B/ f
def isidentifier(self, *args, **kwargs): # real signature unknown# g6 a+ v& {7 z. q, X# ^5 u
""" 0 i" L8 G+ f8 ^/ b Return True if the string is a valid Python identifier, False otherwise. & [9 i1 O! O# O' G. t2 D8 R j% H - E) ?# I( ^! x5 Q3 j7 c Call keyword.iskeyword(s) to test whether string s is a reserved identifier, $ ?* C }3 ^9 v. U4 M7 V7 ` such as "def" or "class".7 Z, Y* ^2 r1 D! c5 K
""" 2 w+ m0 Z; N3 b( l+ W5 R# o! |! h$ P pass - n4 Y3 l' N: F: m( t# V3 X3 F) j) ?: l& ~' _0 }5 e8 r
def islower(self, *args, **kwargs): # real signature unknown 6 Z9 @: G. ~1 }$ k$ o4 H, s """" p# m; {: }8 o, ]
Return True if the string is a lowercase string, False otherwise. ' N) I& G6 w1 q 4 B& f; Q/ C$ `4 Z A string is lowercase if all cased characters in the string are lowercase and. I+ n! s* f$ m9 ^
there is at least one cased character in the string.9 J7 b$ E9 n6 Q8 ~" K
""" 1 e( c0 K+ H2 k: X+ Y8 { pass. C8 a: A: k3 r6 B7 G# F
( Y% U. ]6 f% i def isnumeric(self, *args, **kwargs): # real signature unknown3 }# s# V _' i8 i
""" " n( l; {& ~5 U7 H! g Return True if the string is a numeric string, False otherwise. 9 |" Z: V2 t$ `, K: X* e ; [* Y3 {+ Y; G, a4 R, r A string is numeric if all characters in the string are numeric and there is at' [7 r+ L: ?$ \+ P; C. J
least one character in the string.& M% A0 v( X: e6 C) K( l5 Z
""" . J: `# ~3 o8 ? X: q C pass 5 [* R; a! n, B7 J# b ' I8 d, F X v4 d5 P) M7 X f0 ~# x def isprintable(self, *args, **kwargs): # real signature unknown # p/ A( M+ A' r% o0 P """+ @, X* a5 ^% `- {+ t
Return True if the string is printable, False otherwise., F% U- x0 {/ q. O2 W% ^; y3 G4 h* M
: p" N a1 Z# j3 }7 _& W, j7 U
A string is printable if all of its characters are considered printable in* R( W, ?- L' d7 b
repr() or if it is empty.% a: M% o4 W& |5 j- [
""" 6 [; c0 x% p1 A# d7 G8 q, z) x pass% M) o4 h+ x8 o% e) h
- P% ~+ }8 q& t, V
def isspace(self, *args, **kwargs): # real signature unknown: C6 S5 o' A* p) W
""", y% Z; l/ c1 b D
Return True if the string is a whitespace string, False otherwise. " x& e2 [; U3 u8 w8 Y1 Y7 o6 a/ b0 Y# g
A string is whitespace if all characters in the string are whitespace and there 1 @! q" V% G1 o* X; n; h is at least one character in the string.9 p0 I1 S8 [9 J2 w; q4 _1 C. s Q7 m
""" , g6 c, @! Z. Q2 P pass1 X: \2 E; Z9 m( f) F4 X! K
8 Z* f) w: b6 y, P/ L# ?. U def istitle(self, *args, **kwargs): # real signature unknown; }; `* X; z- s% d" U5 B
""" 1 W4 J, @: M7 [. V' b9 ~( E Return True if the string is a title-cased string, False otherwise.3 I8 y. {+ R/ g: J2 c0 D
% t3 F( J) N9 E/ O In a title-cased string, upper- and title-case characters may only 6 \# Q; b, X9 I# X4 I" Q follow uncased characters and lowercase characters only cased ones. - Y- s6 y; b# R2 A+ r """0 f4 b3 f7 ]8 w
pass 7 k9 D: Z/ U0 c/ n. A3 R9 v' I& ~6 x5 q; W8 J
def isupper(self, *args, **kwargs): # real signature unknown2 k; V( E4 ^& x- h- P8 o6 `" g! a
""" : L4 D5 J( F' |, Q. f Return True if the string is an uppercase string, False otherwise.% y9 N0 [' C4 q
8 ] \+ X+ n- l; C% O/ T0 R N
A string is uppercase if all cased characters in the string are uppercase and 9 a j- d( h2 V" M+ \5 N there is at least one cased character in the string.# b5 i, ~6 H5 G! P) e" n* e. J! y
""" |' s: z. V1 B# l8 l
pass. H- q1 R5 G/ R' n
/ w9 y6 o% T# h- _& ? def join(self, ab=None, pq=None, rs=None): # real signature unknown; restored from __doc__- V. c* ?/ ~' [; O
""" ' @( G" y( o5 ?# A Concatenate any number of strings. W+ Z) T% D+ P9 ^; U: C, r & }! ~, o; t* K G4 s! G0 e The string whose method is called is inserted in between each given string.4 [' }* z' ?, h
The result is returned as a new string.+ s1 f- E/ X5 G0 @+ W9 |
: f+ j) X( ?/ |* [8 ]' P* D1 y def ljust(self, *args, **kwargs): # real signature unknown % `' [ k5 z/ p |6 X# z, e+ q """3 @4 ?: ?& l* l* r% a
Return a left-justified string of length width./ D0 _! Q" d! `7 R# _ b1 [
8 W; n6 L9 J- l2 j8 c Padding is done using the specified fill character (default is a space).; I" ^% G0 y" }3 x/ U1 b
4 k; s. X. n* [$ Z7 c- a1 ]& @ 返回长度为width的左对齐字符串。 * k" Y& o7 i. ]' T5 f# P % k, r1 [" Z r 使用指定的填充字符(默认为空格)填充。( X2 \2 r5 B1 V* J1 s: i7 z3 ~9 W
""" : d( h6 Z% r; F8 T' B pass6 T# V% e) ~6 ]6 _' t$ P8 w
$ l A# q* l K
def lower(self, *args, **kwargs): # real signature unknown " K/ E6 M- j% y# H' a8 I9 x7 a% o, z' A """ Return a copy of the string converted to lowercase. $ q6 x& M( c* G
返回转换为小写的字符串副本。"""' P6 X( z b; a6 L
pass! G: W1 X2 p( ^6 z9 k; W2 v+ a( K
2 X0 I' k/ r: r. |5 ~, b5 b def lstrip(self, *args, **kwargs): # real signature unknown $ y- O: q9 w! ]4 ~- w" k; B: f """ ( [! Z; q" o. \2 r) }/ ^ Return a copy of the string with leading whitespace removed., A1 H2 Q- C( j$ ^1 o* w- a f9 N
$ t) @' j, u, D* h
If chars is given and not None, remove characters in chars instead. 1 `$ O4 Z1 {7 W1 I# b0 N6 z4 J. O& z# t# ^8 |' m# L! H. i" F$ T
返回删除前导空格的字符串副本。& R4 B) r1 S1 J5 \
' O( P* U9 ?+ d$ D6 `: ]* @
如果给出了chars而不是None,则删除chars中的字符。 % |; u7 x$ Q% l& h """0 s2 B M6 l& ?7 t4 v& p
pass + Y$ \7 R0 p* _# A. F m, f9 z i$ q* R3 E/ i0 K/ B9 g
def maketrans(self, *args, **kwargs): # real signature unknown: L0 G- n; x+ m5 T6 R. E
""" P/ M' P& s \5 W6 u2 ^0 m8 r Return a translation table usable for str.translate(). 7 c/ M v. X e, H a: j0 K- a8 [0 d% j" M$ y# p: d: z0 W& c
If there is only one argument, it must be a dictionary mapping Unicode 1 y' }4 o, N* G* `! H+ Y ordinals (integers) or characters to Unicode ordinals, strings or None.2 ~. H, Q! p7 l( O: K3 Q
Character keys will be then converted to ordinals.9 X4 {$ f, ^/ {8 i }
If there are two arguments, they must be strings of equal length, and& G/ Z v& r# ^! s' c& L
in the resulting dictionary, each character in x will be mapped to the/ d3 g( C% l: q0 n
character at the same position in y. If there is a third argument, it" g& j/ ]/ r% Y
must be a string, whose characters will be mapped to None in the result. 4 N1 k9 l( z: w& c """% j1 @4 Y! h* P, B
pass: H4 y0 l6 u- s9 U4 [8 S- r" J
: j5 p5 Q9 j8 T def partition(self, *args, **kwargs): # real signature unknown- _6 u ]6 |# p4 S3 {. Q6 j
""" , l, I# [( K: x) w; y- O2 j Partition the string into three parts using the given separator. 7 O$ D5 q! u" U7 x4 x; r3 m) g* H 0 {8 S1 ] @( s4 J: H0 w) `5 Q) B This will search for the separator in the string. If the separator is found, 5 a e. k) x5 d6 ~; S* Z( j7 Q8 \ returns a 3-tuple containing the part before the separator, the separator9 b7 E1 i, Q: E: t! y, q6 N
itself, and the part after it. 5 e; R8 h7 v" W) |0 H/ _ % {3 q0 h) F3 F. p9 ~ If the separator is not found, returns a 3-tuple containing the original string2 X! h% [* T9 ^
and two empty strings.. F' t5 f+ t5 E2 U! O
"""$ W; Z, P7 L% U {8 k
pass 3 w) @, ^/ B( M8 d+ k ]! Q, y1 R" v4 z* q
def replace(self, *args, **kwargs): # real signature unknown7 `" K7 U8 Q! T9 _
""" - r. _2 ^& N# z6 [1 b- ~: |8 `" A Return a copy with all occurrences of substring old replaced by new.7 S2 ^5 `4 {& T
$ ^# T A/ q$ N: m. p' C
count8 a5 E, R0 R7 [% h
Maximum number of occurrences to replace. L p4 m% U/ B9 P -1 (the default value) means replace all occurrences.# q/ c0 X. v- E7 b6 k) P: q
% c3 h/ y" n W4 f( O# n If the optional argument count is given, only the first count occurrences are 7 z' ]' S8 `. [& q replaced. Q; q b8 R3 d3 I. F( E" v) z8 ^3 J$ D+ y
返回一个副本,其中所有出现的子字符串old都被new替换。/ L( o; g' \' g( ] q: c( X( s% A
N5 D- h% u" ~" k) L 数# D; w9 G- I1 D
替换的最大次数。( z6 N2 [" N1 I- B
-1(默认值)表示替换所有匹配项。9 z2 ]9 r, e3 T% J8 r; R
+ F- W* S7 F6 D* {/ c
如果给出了可选参数count,则只出现第一个count更换。* y: g% m% E' w" K! y2 [/ y1 c
"""1 d0 x+ Y3 ?6 u% p+ B' W& F
pass4 X ]4 r$ r+ }& a5 m' V) G8 r
/ z' `( ^! n0 c K5 o
def rfind(self, sub, start=None, end=None): # real signature unknown; restored from __doc__ - U: J# K- V7 M& `9 v' {8 G """ , H0 s, A P# Z" E' X* R S.rfind(sub[, start[, end]]) -> int ; T+ P% L, E( c8 S7 @- z. \' X- W 8 l4 Y. |6 w! |: _' N7 l- F# s8 c Return the highest index in S where substring sub is found, 4 l: V! @3 |+ }' {; I such that sub is contained within S[start:end]. Optional8 _+ o7 @5 N7 h8 Z& O8 }
arguments start and end are interpreted as in slice notation. , v- {, w9 ^+ m/ w& T8 g c. Q 9 f7 {- N, Y d2 J/ g Return -1 on failure.4 E. u6 o& D2 v
"""6 L' E$ T: X" L4 Y0 Y
return 0$ L' `; P: Z# b
3 d( U) w J' D5 ?2 u* @) t! g% b
def rindex(self, sub, start=None, end=None): # real signature unknown; restored from __doc__2 J: N* O# u1 a1 l
"""' Q6 q. Y/ w! z$ l) q4 @
S.rindex(sub[, start[, end]]) -> int" L1 Q3 x8 _( f9 X6 [/ n
4 x0 `! _( V0 N' | Return the highest index in S where substring sub is found,/ S4 Q2 Q+ L7 M3 \6 S( I
such that sub is contained within S[start:end]. Optional 8 b" _4 d: I1 M9 o# U9 x arguments start and end are interpreted as in slice notation.# l, r' w! u! k
% z: p X/ c) _ Raises ValueError when the substring is not found. 9 j g; D; l0 y. a P& Z1 W2 G """+ D2 q) f$ F a# X/ u& C& N
return 0; B/ K0 U. r* }) ?. z6 X3 D
+ e0 U; N0 U1 s2 n' C def rjust(self, *args, **kwargs): # real signature unknown ( g$ m2 e! `% |$ Q: a: H+ J+ y2 G """ / `8 J: F/ V% ]9 P8 ?/ s Return a right-justified string of length width. # Q0 c E' a# a# d& D6 U% X- @+ Q7 n$ A' s# `
Padding is done using the specified fill character (default is a space). 3 ] ` P; S q, M9 ~! Q! a9 w! j " |. L$ P& S1 F8 l 返回长度为width的右对齐字符串。, }' v. y9 F' D
- z9 [! s1 N) Z- O3 o- x! M 使用指定的填充字符(默认为空格)填充。 ! ^9 @ P R9 C, a; C% P3 W """. \, P4 O9 _6 D8 l# S1 l8 u2 a
pass) F0 @* ?3 W6 @4 g/ v% ?% `. v2 O
! s3 R" K: Z' e def rpartition(self, *args, **kwargs): # real signature unknown8 ~+ C4 e( H% b8 F& o) i1 E# k4 G
""" : z' n2 C- V6 L- T5 x+ B s Partition the string into three parts using the given separator. : h' [6 U! J" G4 ]0 O( S* x- F9 l: {/ B2 \9 ?0 W; O! ?& @/ m* B
This will search for the separator in the string, starting at the end. If8 V; j( Y* H6 w1 ~7 v, i
the separator is found, returns a 3-tuple containing the part before the 6 p! e6 g8 I Q+ {; J# |+ _ separator, the separator itself, and the part after it.) r2 V" Y. ]$ P
. g% H: v6 K- z9 V5 w6 Q
If the separator is not found, returns a 3-tuple containing two empty strings& G! F. g5 e/ ~
and the original string./ m; \% `! p" ^' L' e0 w; ?
"""! w+ C# B7 l: F8 m0 w0 ] N
pass & p# @6 L- k! ~" _8 g, w4 V, f. V6 T R1 R# M2 ]6 R/ S
def rsplit(self, *args, **kwargs): # real signature unknown `# j6 f1 p0 O
""" ( }4 {% b* F+ o- G' x" E; @ Return a list of the words in the string, using sep as the delimiter string.& Z! g' E6 V. l9 z
4 E5 H% O& L3 Z2 j sep - X" C0 k, H- E; P y The delimiter according which to split the string.5 g& Y; Q+ h+ ^9 \5 U$ p4 s
None (the default value) means split according to any whitespace, ) o. F" M+ z( }' u- i1 ` and discard empty strings from the result. 1 F* g( n m; L$ F1 h maxsplit1 Y1 _5 l. {% n& R' d. H
Maximum number of splits to do. ~6 y3 ?* Z y a& u
-1 (the default value) means no limit.( t t( H, T4 _4 l
- c9 V! E% p) o$ I
Splits are done starting at the end of the string and working to the front. & @) A# R8 w. S/ F t2 U0 h' b& ~* A2 Z% f
返回字符串中的单词列表,使用sep作为分隔符字符串。 i5 n$ M7 d, D: b0 H8 P( K sep 5 N( e2 c. @2 { c1 D9 t2 ^- [0 A 用来分割字符串的分隔符。 : ]9 h/ I$ N ~5 ^& p3 R) ^ None(默认值)表示根据任何空格进行分割,并从结果中丢弃空字符串。6 S$ x- q: H9 M* f
& ?: v6 d7 n6 I. r+ S. @5 O* I maxsplit; e% _, B3 v; s! Z
最大分割次数。 $ {; u' {/ N& |; w, [ -1(默认值)表示无限制。 # N/ ?' ^1 \, ^% r , c* ^+ w7 T9 Z
劈叉从绳子的末端开始,一直到前面。 p- n6 ^ B/ ~' J; n, X """! a! m0 A1 Z3 K. E/ q$ X. [6 i
pass3 {8 b+ P5 @- r" k0 z
W: J0 \# u {
def rstrip(self, *args, **kwargs): # real signature unknown- f, q+ G+ N$ N e% q
""" z9 A/ f; b! z0 D9 P Return a copy of the string with trailing whitespace removed. # m' b7 |# P& j9 L" n) B: t2 h. N" K# f
If chars is given and not None, remove characters in chars instead.* c. F0 u1 z" ~! g' g8 q1 N& t4 C
7 \! T$ T/ j3 L# b5 y
返回字符串的副本,删除尾随空格。 ; N; [1 v) j9 |4 \7 j$ o( q) R ; U( r2 s& @1 I1 S. E 如果给出了chars而不是None,则删除chars中的字符。1 P; |- g; y- z: M: v) g1 Q) X
""" / E$ u2 t" y1 q" l, r' t pass, g4 a9 g3 l5 I
3 l2 r0 A9 W, p( Q0 q def split(self, *args, **kwargs): # real signature unknown* [9 M6 M1 y' @! ~
"""4 ], U' u8 ]; P. B3 t# ]
Return a list of the words in the string, using sep as the delimiter string.6 y$ M/ o0 h( D6 }
; n# r# R$ m$ u( U& \6 b% w sep: T3 j" k9 X0 g( u! i" x( L; x
The delimiter according which to split the string. 9 X9 \$ o0 A5 j; \. ~& q! x None (the default value) means split according to any whitespace,! T( g* x# e7 c( T, U
and discard empty strings from the result.7 `, S+ H: c1 L# e! g6 b' [
maxsplit ) b$ H# g! `6 K Maximum number of splits to do.4 \% o- _! T+ o" q) E
-1 (the default value) means no limit.3 {8 S9 m* C; _# f$ U
"""7 y, c$ n: M1 f2 u5 i; x
pass . f* o0 ~$ Z' n* P% X 7 G1 g7 d W; a* ~7 B def splitlines(self, *args, **kwargs): # real signature unknown + w$ V+ v# {' I2 g) Y """ $ J6 I9 L5 C+ I# q/ A Return a list of the lines in the string, breaking at line boundaries. ' `+ K! ^& e. k! R 9 u. }% f& e/ J `( I" w; D Line breaks are not included in the resulting list unless keepends is given and( R( f/ j& X/ \ L5 s) }& m7 a
true. & S. J: j5 D% M9 N. Y* T/ O """% r2 Z6 |5 F( C& g9 o: d i
pass* ?- Y5 U5 c4 p! p; }6 I7 L! d
$ l1 v! C- N z+ I
def startswith(self, prefix, start=None, end=None): # real signature unknown; restored from __doc__ 7 |/ a5 {) Y* G: o- T0 ~2 c. l. P/ r """ 8 S$ Y8 f9 H# S3 L S.startswith(prefix[, start[, end]]) -> bool: b* z8 t: c- R" x: o4 E
2 K: K, U: Q! C- H |
Return True if S starts with the specified prefix, False otherwise.( w( L& {: p- ?3 Y1 ^
With optional start, test S beginning at that position.$ s y) Y, j6 K% |! }
With optional end, stop comparing S at that position. 3 g" u+ `& a' F prefix can also be a tuple of strings to try.8 M, y, K1 V: r, p
""" - P" K: W2 s9 h# ~ return False, ]/ k4 k( ~. R& H
" f1 ~9 {+ k1 C/ ^. C* F% [ def strip(self, *args, **kwargs): # real signature unknown ' u! z. S# n0 F/ t; L """ : I% |8 ~: K# `6 s( j. I/ e/ E, K1 x Return a copy of the string with leading and trailing whitespace removed. 6 K E: f1 j3 v2 P! P" j: S 0 _1 |, l4 b/ ~ If chars is given and not None, remove characters in chars instead.) ]: g% r8 _- P/ g5 v" s& V
7 l2 R, ?& m, h
返回删除前导和尾随空格的字符串副本。 % o$ W! V; [4 W3 O$ f6 H# o 5 |! t( S& q# @: ~& F2 g+ a$ G 如果给出了chars而不是None,则删除chars中的字符。8 R' B! R/ E$ m- `6 y
"""8 ] y9 l# x F x5 i- W
pass / p z7 u7 p e9 X* c6 B: }8 C! M& S( b$ d* X
def swapcase(self, *args, **kwargs): # real signature unknown, Y0 R3 H5 \. n/ R0 K/ u; c9 n
""" Convert uppercase characters to lowercase and lowercase characters to uppercase. """. W* n; S1 J$ G* A4 h: v; J
pass; q, g4 r7 R' z/ `
5 Y; r) I( R& j& G: P def title(self, *args, **kwargs): # real signature unknown ! S+ U3 h, l( X% Y' { """ 2 }, W/ X7 H% @! O3 Q Return a version of the string where each word is titlecased. , }( n3 k( S4 ] s' m ! N6 r& D; W. H' e- l) Q More specifically, words start with uppercased characters and all remaining . p1 Y0 r8 S6 B* I/ V cased characters have lower case. + {% v+ w9 _+ v1 m """, S: P# s+ J4 m
pass7 j$ D. I1 @* T/ `; y0 f
3 m. `6 `4 C3 i
def translate(self, *args, **kwargs): # real signature unknown % x5 F" }6 b3 ^5 J. M """ / `: m+ G; w/ Y3 X Replace each character in the string using the given translation table. , @# C/ ^$ E5 o& R8 g" G+ ?& ~ 6 i& f' `9 C( e. c8 j table & ^6 u4 V% F% `' r Translation table, which must be a mapping of Unicode ordinals to4 P+ t+ ^6 z4 a8 [4 v# q! j9 t
Unicode ordinals, strings, or None. : \) K8 a" \! r+ b( k' S8 r* i 3 g- \! `+ x3 X5 y- Y* |; w The table must implement lookup/indexing via __getitem__, for instance a 7 c q4 U& H0 c8 {) a0 J' z3 f dictionary or list. If this operation raises LookupError, the character is* ~4 R' N: B1 E4 R& q
left untouched. Characters mapped to None are deleted.$ ]9 P6 i- k2 b3 p
""" * w( A/ ]2 s* V$ m% x pass % w$ i. Z$ y! [! u$ K3 t d 3 y: B( ^/ |6 ^- e j7 q+ h1 k, p def upper(self, *args, **kwargs): # real signature unknown) E8 N( I& e& A* O' M8 J0 k
""" Return a copy of the string converted to uppercase. """; X5 M1 D2 m. U5 W/ Q% @
pass" d0 R( i/ t! q- W( X9 I) v7 t( z
5 @/ @ ]7 v: I7 N. b. k
def zfill(self, *args, **kwargs): # real signature unknown 1 e5 _1 s6 v- Z$ ? """ 6 ?. }9 c4 {* } Pad a numeric string with zeros on the left, to fill a field of the given width. ; b4 B$ k( T; c/ b2 A / x5 J9 J( j( s+ P4 a/ L The string is never truncated.. ~9 s4 G m: Y) A1 q
""" 5 _# Q1 C: X( s" j1 [( B pass . p5 }9 n& \0 E d$ {5 ^3 J" l& ]6 `' y' c
def __add__(self, *args, **kwargs): # real signature unknown4 J1 A3 S7 q% _. g3 K
""" Return self+value. """+ o5 U" O. L6 I( {1 u
pass * B( u2 u/ ^; e; g& Q! _) _' K% z" q- m& B% x& Q
def __contains__(self, *args, **kwargs): # real signature unknown " r" b( g* |# y; P' C. y+ m """ Return key in self. """4 l e; t- } I- W
pass - v6 r- V% f- z1 S9 F- R% R w 6 \. a' V# p/ ^5 _8 ^" h def __eq__(self, *args, **kwargs): # real signature unknown 2 G1 Q$ |% P8 c6 L- C3 P: z i1 c """ Return self==value. """ 4 L5 L5 t+ k9 G+ x, R5 Y# ~6 V pass$ `- _- h. _6 D; b3 D0 F7 u
) n# l; h3 P- M5 P% {8 ? def __format__(self, *args, **kwargs): # real signature unknown$ g' M" `" f6 A$ g' s/ m
""" Return a formatted version of the string as described by format_spec. """ & Q' t2 Z" ~. F! U! R5 k pass& g( I E5 A7 M3 d
8 G1 R A$ v4 r E1 s% V def __getattribute__(self, *args, **kwargs): # real signature unknown 0 J W* I9 I9 Y! n+ N3 } """ Return getattr(self, name). """ ( k5 |# r3 L7 Z+ I/ c1 { pass ( z8 r- Q% x. |! M. X " O2 a. J7 S6 O def __getitem__(self, *args, **kwargs): # real signature unknown9 O8 A& Y2 U0 A+ a4 Z
""" Return self[key]. """4 ~, ]) V/ O# ?( [. p; h! X
pass8 D1 M. T4 r' U* m6 r/ K" Q
. }0 D$ _& t. _5 B! W2 c
def __getnewargs__(self, *args, **kwargs): # real signature unknown % g; X* n" N/ e7 y; w5 n pass y# C5 d3 Y* M! S
2 C7 f0 ]# ]3 S% p+ I. S; l def __ge__(self, *args, **kwargs): # real signature unknown, c' V# s: z! F+ k; S8 V9 {
""" Return self>=value. """+ U* _2 S6 N! v( j
pass 2 _" E% M1 p9 N 8 H) u2 n; T; J5 d w3 M" Z$ ~. {: t5 ` def __gt__(self, *args, **kwargs): # real signature unknown 1 U! L2 j" i; @- P. V """ Return self>value. """ O u$ i, L ~0 {3 Y
pass 4 t/ d! k5 F( Q4 C6 Y& K : A' s5 c% p- d def __hash__(self, *args, **kwargs): # real signature unknown % a8 U I' ~. ]0 y6 _ """ Return hash(self). """! i$ T6 o' L' v' H7 a- p) ` W
pass 9 s8 _% t/ P8 @% p4 E7 l . d9 e$ ^; t# W! Y def __init__(self, value='', encoding=None, errors='strict'): # known special case of str.__init__8 k# X+ u! c9 }/ a8 a
"""8 t9 \5 a0 L8 @* @
str(object='') -> str . p+ k) C \ V9 H- z str(bytes_or_buffer[, encoding[, errors]]) -> str 6 d9 b4 t7 v: f2 g( i4 r 7 W( i( ^/ C; y# Q8 M- g+ m Create a new string object from the given object. If encoding or/ o6 M0 S/ x/ h5 S0 L! r' H3 u: B
errors is specified, then the object must expose a data buffer/ r$ D) n7 n3 ]* e. N4 R
that will be decoded using the given encoding and error handler. 9 E: o% g3 P' n1 y x* e0 f Otherwise, returns the result of object.__str__() (if defined), I6 G0 f- b7 D+ j
or repr(object).9 a$ B0 U" L! t# I# V/ S" ]- [
encoding defaults to sys.getdefaultencoding(). 0 A* I S* S+ b% [ errors defaults to 'strict'.9 b9 C2 ?- V8 b/ g/ M; N4 ?# y0 _
# (copied from class doc); H( I6 a, v8 `! n# J; d8 V
""" 9 l6 u$ H2 U! |1 Y2 u pass, M2 W% f+ v; _0 S
+ ]# n n: O1 _0 k6 L def __iter__(self, *args, **kwargs): # real signature unknown, K5 b2 D( Q% c5 X }
""" Implement iter(self). """ 9 ]! q% U( \8 \4 j4 ^ pass 1 P4 N, s8 D4 h! L0 d% H' E0 D" {- X3 n
def __len__(self, *args, **kwargs): # real signature unknown Y9 F! Z2 |4 o: x8 j, D3 p
""" Return len(self). """' W0 t* e2 h7 ?( q' g. d
pass% H: Y- ~# W# F
. k7 \1 }; f4 Z def __le__(self, *args, **kwargs): # real signature unknown " i( G0 K& ]: c """ Return self<=value. """ , [ [* k( Q# G, a# Q pass - t/ l: b) B# Z7 }( {* ]. S; M8 R- u! s8 q6 r; J7 s9 M
def __lt__(self, *args, **kwargs): # real signature unknown ( r* u1 o) Z1 W& u* C v8 r """ Return self<value. """8 u, [; [6 S* J0 M4 m {3 B" ^8 d+ g! l
pass v) K+ E8 y6 C' K) i8 {, p
# }8 Y, S2 p4 u' Q4 e3 m
def __mod__(self, *args, **kwargs): # real signature unknown) D6 i$ R/ o! g% ]6 ]' n3 d
""" Return self%value. """ ; B0 a: j8 e+ p4 w$ c pass " j& w/ v/ \6 P8 r : q3 L3 p3 A0 E def __mul__(self, *args, **kwargs): # real signature unknown , [, @. h. c; X1 Q0 X3 J' x R8 E3 N+ z """ Return self*value. """ ! X; B9 @/ w/ w. @- } pass : t1 |/ t3 c& s: r- @" X/ L/ s2 E; ~; v7 T+ O9 T7 Q; K
@staticmethod # known case of __new__% R. ~( [0 [3 G; M
def __new__(*args, **kwargs): # real signature unknown & u8 U# }3 z8 S' I& \ """ Create and return a new object. See help(type) for accurate signature. """ 5 h# G8 s5 u( X9 G& X* U' T pass# K* v, L, |) `& O1 p
% U+ Q- o8 U' L5 f- g" c* p4 Z def __ne__(self, *args, **kwargs): # real signature unknown * m% z" g& \% c4 ~' X """ Return self!=value. """ 7 M, w6 s8 t. e% ?0 ? pass$ Y" |0 t3 [7 e9 `4 \
3 M" g. P3 _7 f
def __repr__(self, *args, **kwargs): # real signature unknown 3 a5 I/ P& a+ l """ Return repr(self). """% R& p- F. [# J& b- i
pass 3 G$ M( [. X- d0 Q& X/ e" l ) i- h% u' l3 h7 E) b- V! o def __rmod__(self, *args, **kwargs): # real signature unknown% h$ ?8 q' h6 G$ }
""" Return value%self. """ 5 r: w5 F! M" G# X pass- g. x# F1 Y* S' G
3 h9 h7 a% b3 x/ s! z+ F8 q4 J
def __rmul__(self, *args, **kwargs): # real signature unknown) P0 G$ t7 k$ J, l
""" Return value*self. """ 3 r `6 O6 N2 P* L" q+ k5 g pass# {( l8 q% F# w( N6 K
. T; \* ^, o+ W' H def __sizeof__(self, *args, **kwargs): # real signature unknown& S' a C" J5 E! u8 [
""" Return the size of the string in memory, in bytes. """4 I6 w; U5 q7 p M9 @; {( O8 _( }: t
pass + D3 U9 @0 l$ L {( A, T" H9 B3 }- ?% x
def __str__(self, *args, **kwargs): # real signature unknown 9 R) n) T6 `; Q/ r3 y """ Return str(self). """* q3 S8 X" f2 w/ w/ Z5 q* G
pass . q1 z& Q6 _8 N* Y8 w+ F* m+ X! f; d* J5 R2 E+ O
1 M6 w; y* X* J2 a
2 ; h% ?. f# ^/ e1 y3 1 H8 V3 T- G. w; c( g! b0 `4/ q2 M+ x N6 [7 i& ]2 k, B; L
53 s) K8 H b, ^0 F& `
6 C& n3 n- K0 V$ O5 l$ D) I7 6 l1 I3 w8 P- G. S. T# g8, r2 z, N+ e* @3 p* ^' Y5 ~
9$ x* P5 B4 R C$ n E; ]( m
10" o4 g7 W7 v& N% J5 u1 E/ N7 `
11 + ]4 I9 t( e* S0 G9 Y a12. m8 W) _/ u$ w+ G* Q/ ~: @% @8 s% C/ Z3 K
13 9 y6 N' K$ I% B5 K# H5 w2 {144 K1 u0 C& J% h E, N/ b
15 + \9 W1 j" ~9 d% A: d16 # A3 ?. U3 |9 Z( N) s7 M) N+ t17- \8 W# o2 o$ ^2 z$ }6 c
18# N+ U/ J* O2 U# C
19 ( A* y, t/ _) _20 . v! u/ }: K6 [6 p21. y" B: y- j( {% G1 R/ e6 A2 {
223 o/ v8 c1 Z! u+ B+ H/ a+ m# @
23 + W+ k }6 p" f5 D7 t24 8 q) v2 b, t' a- T8 d; n! Z256 x8 {& W2 d/ w
26 9 q7 V& j( }! w; E4 I; T' P l27 7 G/ e* p# E* e E I28 : z$ Y7 `0 N h5 _1 |29. \( d! K* b/ U. Z0 Q/ s5 R, A
30! [. |+ N" O& [0 H9 w5 o
31 ; V! k/ h1 d J m; Z1 z32# i& ~' G4 C8 U/ f4 q# y4 d Y
332 M8 f2 f/ b* D3 L6 u+ U, w1 q/ m
34 7 s* M2 H5 B8 U; B% i$ J0 V- n2 e8 b356 p. p |$ H6 c1 |/ }
36 ! J, U- w% Q; \: o/ k9 U: A* E37 / B+ I, a9 Q( L. x) V5 T7 L38 2 ]/ v: m+ A* o- Y# U' i7 y39 . d- T3 m+ b- Y0 c3 `40 + C0 u# {& M2 x" H- h41 + G$ Y0 j6 d. }* Z6 J( S: a, q42 0 @ ]5 H3 i% {, w2 v. C$ r43 ! @1 h' J, A8 x( w7 ]44- z, ]' o6 E" j0 w' _ k! R6 V
45 @7 x' L, @" u6 x, i
46' E, P. a+ q* D' y! B( ~
47( A! r5 ]( O* R+ r- y
489 [2 o. T5 H! q0 w; j2 J3 Z ?
49, D" d( r: c9 m
50% V! S& k$ I K/ X7 d" y
51 + X: r: u8 \0 G( B52( M2 F8 n0 R8 t, f' p5 e
53 2 s& {' J5 H) F$ [54* A2 `9 N }$ E: B1 I- ~5 E
55 # z" [7 [4 Q2 s' |2 z: O5 `8 C56 ! v- Q& {) N" S# ^57 * l1 \, W. ^- i O& r2 B' g1 e7 W58$ n; _' q: u5 ~
59$ }+ Q. a* M. ?9 P8 J% b& j! x$ F$ ~1 S
60 1 S# `+ \: C6 i0 t0 N( k! ^2 W61! T/ B7 ~% o4 l& k- n+ @
62 4 c# b5 r) x' V1 I7 H63 2 m8 k/ F7 G2 X Z" N64 5 c* b5 U5 y# C- o- ^65 - Z5 m( g0 \/ H( B' g* d66% b$ J8 T* i8 w
67, s2 }$ r6 `4 h$ z/ C
68 ; |5 B) e. b, \69 ! u4 t3 d' t* I3 S5 Q. w& l- c70 0 l" `8 W: x/ A6 {& B71; ?" J% X. z+ I& t* I8 J+ V
72& C* h% x/ O5 @ d% b- p3 l- V
73 & F1 k5 s/ ]; b747 e- Y6 P6 `' e
75 ; _$ F+ Z* m" [1 l76# B) G; o* ^" Y* t
77 " S; v1 c: g S3 ^+ Q* W. U- Y78 . P( ^! }/ U* j9 O! P798 ?6 \2 Y/ j0 W) o' y, u3 l3 E& l
80 0 @! C+ t2 q) F7 ]818 n1 a3 c3 h/ l& i$ ^, \
82+ n% q/ X2 p+ [! s8 m% w
83 7 e1 S0 n2 }* W& v" S84 3 W* F/ \8 Z3 R$ d0 w' l' n853 ]' {- T4 @/ d
863 K4 T& a1 F f% I
87 & |5 c- d M ]88 - R2 y" I+ A, e, L89; R1 \. C L8 q5 X
90 , C4 ~) {. |' \6 E! q" ], N918 k: U, @! `6 L6 a
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558 ! F7 I1 V" ]/ W& G% w* h559* e; k- L2 y2 s, q, G
560 / p" r2 f- n6 K5 @561 4 R. [- R$ w9 J( j/ q. w$ T- B562; b' x6 {; k! s( c& L( u
563 ! [! H0 _: l0 r6 Z564 8 Y9 v& I9 _: n565 S9 [& h: e9 c; j& [5669 W, v! o- k& m$ f* @, v
567 9 p. N8 L' M5 W! A5688 o+ g* q# Q0 \5 W) z7 H
569 " M4 W/ u; ^1 P2 ~# I3 H# i6 d570 & W( O$ L: o F/ t6 o; @( X6 p571. X2 q; k7 Q7 z8 b
572" V3 M9 |5 F; I, r) ]- x& l1 f
573 ( T/ l8 _, t( w( F( M' Q; p% o5740 `( C2 ^% ?$ G: N% b& n
575 * k8 k* h0 y; w9 I4 ]576 ! \2 C2 R+ z8 P, F. X4 ?0 A* B5770 o3 E5 v; b; ^
578 ( L# D* k; H7 ]$ w5 ^& q- ~# z. p# r' L579 * }. j7 @. G' i9 E% p" m$ f* Z: K580 + b3 @1 e8 d- D( V- ]. w581 * F. a* n. B# v9 j582 ' i& Y ]% t7 k! F. X- y583- ?: O, p3 n9 G/ }; P: a
584" {8 c# J( }- `. Q/ H
5854 p3 }- M' l- p2 T
586! [$ W1 J1 t& ~1 W9 S! v4 C% F
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5888 a) ^" m, w8 {( D9 t
589 4 K5 I3 j7 H& `3 @- y590 ' t! o, p) S' y* B. s591 $ y0 ]. D6 [ C( \: D z4 M' A592, ^; J" R% D. j
593 & w. z2 O" M; T6 V( ]594% T+ `& _2 i4 G2 ?: {4 _
595 9 x7 X* g, i4 q' e2 b6 R$ z* t596 8 a; G. x* O% ?9 @: W$ k! k' Y* \597. A0 {9 y' r9 m( s% N6 X% ?
598 ) f/ L' E2 O$ i2 m- G, J7 U0 w599/ [/ F8 Q) y* ^( u
600 $ W2 h ~3 {5 H: N+ c601$ n7 Z& N) j! M( N! L7 g+ e
602% p7 D% R5 J" {( Z4 w
6034 Z: N F. F# m) R
604 " y v2 G4 j A; C$ C605 / n" ]( U& G2 r5 ~7 M) R0 r606" H0 f0 L; }: I2 M6 f+ R9 {
607 # Y* m' M1 Q* B2 n7 ?3 {8 j608 & N& j/ d ]) |" @( O* K609. }# \( a9 t! q6 C1 ~: Z
610 f, R2 y# k- L7 H/ h+ d3 F9 z1 W
611 $ q" ]( z/ W$ T$ e) W6123 V: _+ y4 I6 f+ i( a# q/ }
613$ L) l# \5 k( v( V, a1 D( e
614; N5 B- _0 e+ S- l" Z
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616 3 b* w4 H0 n i: E617( v# ?' M/ f* z
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619 3 b& ~6 k, e! q8 x- A620 ) Z# X( g5 S' h6219 ^) w& A( d9 P7 c) r+ O. c$ h
622; K% ^1 C) H) ^
623 5 w. W6 r0 v0 Z7 [; I624 8 ]1 ]7 R( X* F- B0 q5 n- X625 # k- Y1 r( ~. C, C, O626 , v" [) @* O$ ~1 @' f/ A3 S6272 ^$ L2 s ]. ?& a1 {
628/ H( u) S$ b6 g n+ K2 ^3 c
629( o4 a. o7 m; n7 S
630 " u; V3 b C- I; I- y) O631 & i) [6 M5 l. J+ ]& w632 * y1 J, U. \2 W4 X" A9 V633# q% ~0 R& V3 w6 E; `! g4 w$ B0 ^+ a
634% ^1 ~7 B/ [ i2 r2 b$ C3 n" s
635! V, s: U& `0 P5 ?2 H
636 0 N7 ]4 \/ z' c! I1.字符串操作符1 r ?6 ?- \. `/ ?* ~- T, l
操作符 描述 5 {3 w# c% Z: C V, S+ x+y,连接两个字符串x和y & I) m4 f/ f6 F0 v* x*n或n*x,复制n次字符串x ' U8 n5 s3 X3 ]% a4 k9 E' _1 V+ gin x in s,如果x是s的字串,返回True,否则返回False ' O- N' ]1 J6 [4 S2.字符串处理函数 ! R; A& H2 N, Z' b& B3 j7 Q函数 描述 ' o" V0 O, x1 D/ m2 Qlen(x) 返回字符串x的长度,也可返回其它组合数据类型元素的个数! w$ j. m; n- i' e y
str(x) 返回任意类型x所对应的字符串形式 2 M; E) P4 U. G. G( Fchar(x) 返回Unicode编码x对应的单字符% H7 @4 H% M5 w6 o. C$ W0 U
ord(x) 返回x表示的Unicode编码4 `% T% U( g9 V+ Y
hex(x) 返回整数x对应十六进制的小写形式字符串& _- c1 f6 [5 u" t
oct(x) 返回整数x对应八进制的小写形式字符串 # i' z' t( v C' ~0 ~. d4 }3.字符串处理方法! E1 ~9 P; O, b# @& E- G' ~9 s2 ~
方法 描述 ' P1 q. W' _! a* Ms.lower() 字符串s全部转为小写 . g1 {6 `9 b! N- C1 hs.upper() 字符串s全部转为大写 9 G! F- A) K' u0 ?s.split(sep=None) 返回一个列表,由s根据sep被分割的部分构成,省略sep默认以空格分割6 i' a3 V( B2 |% _: w
s.count(sub) 返回字串sub出现的次数 % b# Y0 f& d7 D9 @s.replace(old, new) 返回字符串s的副本,所有old字串被替换为new 3 J$ ~3 m7 a+ m- S/ k9 es.center(width, fillchar) 字符串居中函数,fillchar参数可选5 B# f- S( d: x; w; F$ i" M
s.strip(chars) 从字符串s中去掉咋其左侧和右侧chars中出现的字符1 E M! L$ f3 A7 r J: l. @
s.join(iter) 将iter变量的每一个元素增加一个s字符串 8 G( a8 X y; r1 i( k# g% J- @( p4.字符串的查询操作& g9 j& u/ N0 N* t, |% v
方法名称 作用* k& V" B. `+ `" p( _' [5 L4 V
index() 查找字串substr第一次出现的位置,如果查找的字串不存在,抛ValueError异常! O* q- _! K7 S; X+ o, T
rindex() 查找字串substr最后一次出现的位置,如果查找的字串不存在,抛ValueError异常 4 A& D& A2 u4 ~* X# e; W- Ifind() 查找字串substr第一次出现的位置,如果查找的字串不存在,返回-1 ; q% l# }8 y0 v2 u% drfind() 查找字串substr最后一次出现的位置,如果查找的字串不存在,返回-14 b$ S7 U. {' l9 A
''' 4 m/ i- c2 A+ N& sindex()查找第一次出现的位置 抛异常 * A2 k/ K# _" A" v3 N6 g- orindex()查找最后一次次出现的位置 抛异常( t7 \$ J u1 F, {$ L, a+ G
5 Q/ H& u. k6 d1 \find()查找第一次出现的位置 不抛异常,返回值为-1: m+ e* m. s' `* R0 P8 {
rfind()查找最后一次出现的位置 抛异常 5 N. X) `/ Y) C& n" M8 e''' & N. R0 j7 B6 Y2 {' s3 Xs = 'hello,hello') K& h* P! l9 q3 @6 M" H. \ z' S( [
print(s.index('o')) & {/ l; M: c. i6 h2 c H' d; H' Eprint(s.rindex('o')) * L! N0 d+ W$ {7 oprint(s.find('lo')): w2 y% w( z% N" Z: g8 k* b
print(s.find('ui')) # -1 ) l' _5 p6 f# y1 o, t# L13 N. `: {) Q4 }7 P3 w4 z8 ]
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/ }* j+ ], X5 T; \% Y( {: b) `. D 4 l) _" I7 Z# E5.字符串大小写转换操作 7 E% U/ R9 |" f Q9 Y8 a* S- e方法 作用 % u+ Q: I3 C: _- b2 Jupper() 把所有的字符串转换为大写字母 8 V3 f( X% P2 Z7 T: S* }7 a, S$ Hlower() 把所有的字符串转换为小写字母4 d; p8 a" x4 b6 \+ Z1 ~' Q$ ~
swapcase() 将大写字符转换为小写字符,将小写字符转换为大写字符。 8 D' C- x: Q# J, m6 M7 [8 @capitalize() 使第一个字符为大写字母,其余字符为小写字母 4 ^1 ^& ?' F6 xtitle() 返回字符串的一个版本,其中每个单词都有标题。更具体地说,单词以大写字母开头,其余都以大写字母开头区分大小写的字符小写。2 _6 Q$ B& n9 r" P5 J1 O; \+ a
# 字符串的大小写转换 ) z* v; |' J7 k: b; O* J# 1.upper()把字符串中的所有字符转为大写 # a: U8 \! s1 R. x: T& `# 2.lower()把字符串中的所有字符都转换为小写 3 I: q( [1 o. k. e. R# 3.swap case() 大转小,小转大6 `( B2 @1 u" H+ K0 ^; W" ~6 N
# 4.capitalize()把第一个字符转为大写,其余字符转为小写5 p4 ^( E- L* `$ j
# 5.title()把字符串首字母转换为大写,把剩余的转换为小写( v. e9 S3 ?; _! H
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s = 'hellopython' ) x- X4 N: e* Z6 L; Y+ E+ Zprint(s.upper()) # 转大写2 R/ M: H5 R: |9 C+ H
print(s.lower()) # 转换后id改变,会产生一个新的空间 . x6 ~3 v; K! R" [/ V( |print(s.swapcase())% u2 d5 q N- f: G& t5 n
print(s.capitalize())0 t0 U d3 a8 m4 N7 e) r. i
print(s.title()) 2 V5 ^: ? [" K& G+ l. `+ H15 ^ e8 r3 m0 h- w5 X$ R
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6.字符串内容对齐操作方法* S+ x8 G5 G% m" l
方法 作用1 A6 p7 g' S) t+ n# U0 l
center(width,'') 返回一个居中长度为width的字符串。使用指定的填充字符(默认为空格)填充。! f1 i3 Y# j1 c
ljust(width,' ') 返回长度为width的左对齐字符串。使用指定的填充字符(默认为空格)填充。 2 D' C3 k" w* |" a# Q. m/ c, D" g9 Nrjust(width,' ') 返回长度为width的右对齐字符串。使用指定的填充字符(默认为空格)填充。 1 K: ~: J9 `. `* W+ Zzfill('int') 在左侧填充数字字符串,以填充给定宽度的字段。字符串永远不会被截断。) }# o( q: g9 b- N/ T
'''字符串的对其操作''' & V `+ k: J. x. t# 1.center 居中对齐 , e E* |8 E% X+ n N& Gs = 'hello,python' ( t" E& Q5 }% Pprint(s.center(100, '*')) 5 s h2 S @7 k. ~& G" F# M1 ~5 A s; y# O: h
# 2.ljust 左对齐' d9 r! q3 M, y* ^& ~2 O
print(s.ljust(100, '*'))$ j5 A$ s4 x- n0 S, M) S
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# 3.rjust 右对齐# ]6 ?) e) o: A( v6 h$ c6 x
print(s.rjust(100, '*'))( v( c# s; ` Q2 |3 N
- M2 j) K% m1 f. r( z, ?' z0 m# 3.zfill 右对齐,左侧为0填充( S" F0 L" R- k
print(s.zfill(100))2 c' m7 C+ @! j. {
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8 0 k* A ^2 ^8 Y9 F' [8 N2 \9 " s; x! n! H$ ~5 Z3 w8 u/ Z2 |10 " J) R W C+ F6 b" a' C4 g11 ( U/ r# [4 y% h. g R! o12 - y# b3 r2 }6 @2 D( u/ A13 5 u/ I1 A5 n6 {0 x0 h9 X. ~4 X y( x % y7 A( j' C3 {. D$ i0 [# V# I , b4 O5 }5 l2 V, T. k# f: o7.字符串的劈分操作% f$ X* G( x3 @/ I, \
方法 作用 $ t; a$ ?: S+ g% |& {9 Ssplit() 返回字符串中的单词列表,使用sep作为分隔符字符串。sep用来分割字符串的分隔符。None(默认值)表示根据任何空格进行分割,并从结果中丢弃空字符串。maxsplit最大分割次数。-1(默认值)表示无限制。6 h( N: `1 V: b2 M
rsplit() 返回字符串中的单词列表,使用sep作为分隔符字符串。sep用来分割字符串的分隔符。None(默认值)表示根据任何空格进行分割,并从结果中丢弃空字符串。maxsplit最大分割次数。-1(默认值)表示无限制。劈叉从绳子的末端开始,一直到前面。 , Q9 N% q) @' r/ S8 E9 m8 v, W# 字符串的劈分操作 split/ @0 N X* K: U3 p
# 1. split从字符串左侧开始分割,默认值为空格字符串,返回值是一个列表 ) H; }5 m# g5 L; C0 Z# 以通过参数sep指定劈分字符串是劈分符; Y6 E- H( `0 @4 N, v
# 通过maxsplit指定劈分字符串的最大劈分次数 ' v* P) B# C9 d/ J# X2 I# a; {0 k6 c; q
s = 'hello#world#python'* Q# E/ J6 Y9 c3 j6 |. E
lst = s.split('#')' h) `) o M0 `/ n. o8 X" l
print(lst), F: a5 u& ~! C# p3 V
s1 = 'hello|world|python', M, n7 f& N' t5 k! ~7 i9 E
print(s1.split())4 V; g! E9 |( X
print(s1.split(sep='|'))3 |4 k6 S$ D1 t
print(s1.split()) E0 ]' _1 n3 S, w6 H o% As1 = 'hello|world|python' * G9 {7 d3 }1 b4 u) U* ^print(s1.split()) 1 M3 H2 u2 U' T5 p) c5 @) eprint(s1.split(sep='|', maxsplit=1)): k7 \5 \) Q" N: U" I) q0 I# J9 N: E
# 以参数sep 指定劈分字符串是劈分符0 b; Z6 O# Q' i% U- d! L ^
print('-----------------------') 7 v9 M9 l! T9 s+ a6 d8 G + b5 p- Z" |; D) ]& r2 u* D# 2.rsplit 从右侧开始劈分/ Y: u7 e# u" ]) c# p
print(s1.rsplit(sep='|', maxsplit=1)) 5 L* [8 d+ l0 `1 M! D8 P $ m% b1 C$ d) v5 h: w0 {16 S7 Y: c" l! w- ?
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8.判断字符串的方法5 B2 ~: O' E7 A8 }% @
方法 作用& h7 ~" C' V$ v3 R* L2 `( @4 Z% r
isidentifier() 判断字符串是合法标识符 ; X! j% N$ B8 S! n* risspace() 判断字符串是否全部由空字符串组成(回车,换行,水平制表) ( p% Q/ Y% V B% ~/ w& ]! }% yisalpha() 判断是否全部由字符组成. q( H) L7 [- o0 Y. u. |7 b
isdecimal() 判断是否全部由十进制数字组成 5 g7 R4 O' \2 H" S: q7 l2 n9 K) lisnumeric() 判断是否全部由数字组成7 p( n& h0 H# w. t% a; R
isalnum() 判断字符串是否全部由字母和数字组成; v- A1 V7 G& n! d6 ~
# 1. isidentifier 判断字符串是合法标识符" b. A) B1 Z% ~ v5 a
s = 'hello, python'- Y. L/ h% @# F$ O$ V* S
print('1.', s.isidentifier()) # False ( M, ], K+ C Fprint('2.', 'hello'.isidentifier()) # True. d5 _3 v" D8 s; G* B. P
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# 2. isspase 判断字符串是否全部由空字符串组成(回车,换行,水平制表) ( ]9 X- k4 C, Oprint(' '.isspace())2 f2 t+ Z8 e! k9 x. L
print('-----------------------'). V, r% U7 g# s' C( t6 ~: A
W8 l7 G) X8 v8 O9 X9 I# 3. isalpha 判断是否全部由字符组成 % x' U9 ]$ l! qprint('fhaisdfh'.isalpha())# O q+ h. z% a' L8 @