# r* s7 r2 ]# w% l. U" t2 f def encode(self, *args, **kwargs): # real signature unknown , l: B( j; ?- K) w """ ' j& p3 q8 u! u Encode the string using the codec registered for encoding.9 N- Y: ? Q+ T' }7 O y4 w
- e1 j' Z- n& D Z7 N/ g* O* D encoding 4 g1 t) d% M6 F- \; u: s The encoding in which to encode the string.2 Q% i3 ?3 c% [/ s( a
errors% U- B/ _; J; j
The error handling scheme to use for encoding errors. 5 M |4 c6 |) n' M6 v. L The default is 'strict' meaning that encoding errors raise a 2 ~9 ^# O- _: W6 Z1 T* i UnicodeEncodeError. Other possible values are 'ignore', 'replace' and 3 x2 x: g& r6 a5 X0 q1 R3 E7 M3 S 'xmlcharrefreplace' as well as any other name registered with ; V7 w4 p' W. f+ W; V codecs.register_error that can handle UnicodeEncodeErrors. 6 _) @) }" w/ a0 ?& b$ h: J( L5 I! x6 j( h8 J
使用注册用于编码的编解码器对字符串进行编码。) b0 g- p, D0 O/ o# o% n# V' ]0 q
! U8 ^! u3 C e
编码 % Z0 a) a$ Z& B5 o2 I( K5 U 用于编码字符串的编码方式。( R: g) I$ H% i! Z- c4 s& x; v* b. N5 `
错误" E+ ~8 W+ m( W" _
用于编码错误的错误处理方案。 ' O6 l, m8 q: |( w7 j! Q t 默认值是'strict',意味着编码错误会引发UnicodeEncodeError。- @$ v7 b, ?8 J) r X7 x% u) Z$ u0 y% b
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。5 b% A4 J. ?, [7 h6 B$ M
可以处理UnicodeEncodeErrors的register_error。# F/ V& x* V) T+ ?6 i, ?; y
""", I" B3 m; @* y5 F2 b- p
pass0 w; R1 D* x5 Y) U
6 g. }- K, c. k0 n
def endswith(self, suffix, start=None, end=None): # real signature unknown; restored from __doc__0 W3 G# ]5 f' a- t1 c0 V7 H
"""" k& s) U( R# M) A
S.endswith(suffix[, start[, end]]) -> bool3 Q- d8 H; V% S p# m/ E8 r1 E
. f, n# r1 Y0 D* X+ w
Return True if S ends with the specified suffix, False otherwise.5 p2 z$ }# P, K3 W$ u
With optional start, test S beginning at that position., r1 `0 x/ e8 K5 S3 w
With optional end, stop comparing S at that position.& x: e& c& P+ c
suffix can also be a tuple of strings to try. ; j: S% H+ ?4 A4 E* o4 m """0 M1 A( t! G+ r: e0 _" z
return False # q7 D" p0 P6 r N" \ 2 g* E. ]4 _' X% j% A def expandtabs(self, *args, **kwargs): # real signature unknown + r2 b" A$ x# T% W5 Y """ 9 g h5 G1 F- ^0 W& ^! w7 S, Y, [ Return a copy where all tab characters are expanded using spaces. , H1 l* y1 S* X1 O# \4 O& V ) F, i1 `% i! |: ~# j! |' @ If tabsize is not given, a tab size of 8 characters is assumed. $ ^: o7 s( M1 a9 P% m+ _) a """/ ?5 q) a* U9 ?. f+ I+ {7 J$ @
pass o `4 ~, b. O
- E) }- e+ \+ Z* i
def find(self, sub, start=None, end=None): # real signature unknown; restored from __doc__# N9 V7 Z6 M, S
""" 8 X6 q- T+ @, j/ G( a S.find(sub[, start[, end]]) -> int5 v8 c; X/ Y7 Y4 X2 H
( C" t; M. a4 j/ T7 x4 W/ f. {- X/ y
Return the lowest index in S where substring sub is found,6 R' P5 ?4 U/ S! Q2 `$ P
such that sub is contained within S[start:end]. Optional ! ]% h6 g- v7 d: M, v+ Z arguments start and end are interpreted as in slice notation.& e2 E8 \3 n* E% K6 N: _ ]
c" Q6 E% i: n$ n. v; f: C
Return -1 on failure.' {/ Q) t* T1 @" L
4 ?% e" V+ n! e0 N7 P """& U7 L, f. x# w5 y
return 0 0 a6 u3 ^+ a' E6 P( k0 H! ^4 l% X9 l* G% U( M
def format(self, *args, **kwargs): # known special case of str.format' v9 S7 A! V' _( d
"""6 a8 p6 x v) {1 I# [; [1 T! P
S.format(*args, **kwargs) -> str + a* d% o- I, p& n, W- |* Q/ \$ B4 n. o& O/ N" O, a
Return a formatted version of S, using substitutions from args and kwargs.* g# {/ X- B4 m4 g0 E
The substitutions are identified by braces ('{' and '}'). 6 \; f& K- V' z' b2 Q# X D ; I- e, g: j3 E; U. _. w S.format(*args, **kwargs) -> str' l2 q! i/ m+ r; q6 ]
& W/ ^+ o/ [7 D! V4 T
使用args和kwargs的替换,返回S的格式化版本。8 ^$ t. U7 J# a! L
替换由大括号('{'和'}')标识。& `7 S2 g% @, e8 l% e
"""& c, z' E1 O5 @ a' K# m- U$ D
pass # O. \( ~$ p t( h6 ~ # P5 z$ ]( m1 I1 ]: h' Y9 H def format_map(self, mapping): # real signature unknown; restored from __doc__ ) G" P# J7 q/ _ """* w- j1 a) G* S9 Y$ J* X3 u' c
S.format_map(mapping) -> str0 g7 {! U) Q5 J0 G9 C: g
* C' B: y& ]3 s3 {: e' i4 v1 N1 v% P
Return a formatted version of S, using substitutions from mapping.! x/ q+ r/ r8 r/ V. ?, Q' P9 K" B
The substitutions are identified by braces ('{' and '}').2 O- J/ S& G8 w. t* s+ }: Z
""" 0 |& a2 f5 E+ [) `1 g/ \ return ""3 z) E& l M1 Z1 {% R4 s
4 h) C: m) }( c1 K6 t& t def index(self, sub, start=None, end=None): # real signature unknown; restored from __doc__9 B0 N' H; l. m/ A8 b& d: n& O
"""- I5 u, G3 \7 `2 d& Y3 M1 h* Z
S.index(sub[, start[, end]]) -> int8 j3 A ?+ y- g! u. u+ O$ d
% ^# J6 \9 D3 `6 M! V Return the lowest index in S where substring sub is found,# b l! k3 K/ }: R% ~
such that sub is contained within S[start:end]. Optional y' U+ R: V* \1 N z5 B |4 Y
arguments start and end are interpreted as in slice notation. 4 K, V! {; E4 p: N( V4 i ^- E w6 K . i" Q D$ c% a! c( C- o, g$ i+ { Raises ValueError when the substring is not found.; _* F1 u: e4 ~. H
: \% V3 C+ S" V' K- M% p: K. d
S.index(sub[, start[, end]]) -> int - s5 f b o Z% l }# @1 f
.index(sub[, start[, end]] ; O& X' B* y3 ?. ^6 F9 S " r3 Z; O4 R" c1 q$ |' i0 M
返回S中找到子串sub的最低下标,这样,sub包含在S[start:end]中。( {& H4 f- i0 ~
可选参数start和end被解释为切片表示法。. k# B3 _' q: ]3 Q7 J9 ^' J8 k$ S
9 D4 i7 a& x" A7 M- g 当没有找到子字符串时引发ValueError。9 D7 _: X0 P5 D& r L4 u! N
"""- g% I4 s6 v2 {" E
return 0 5 l }2 H8 M8 ? , d/ r6 D, f* O Q' x def isalnum(self, *args, **kwargs): # real signature unknown & H( w" ?$ u9 Z """ ' P7 E8 f2 ~* i- Y4 O4 C Return True if the string is an alpha-numeric string, False otherwise. * X. X) l- Q, w3 U$ P. J$ Y% B: p0 ~ Z. U' ?' T
A string is alpha-numeric if all characters in the string are alpha-numeric and7 `$ T: ]4 J" v- y6 P: V/ i
there is at least one character in the string.6 r5 P9 h# Z3 f1 i7 w
""" Z/ w$ x3 b8 Y2 b2 t pass9 D& Z* i5 _1 J9 @) M0 P
% i6 b) [9 C' A6 v
def isalpha(self, *args, **kwargs): # real signature unknown # i2 L! C& [8 N- P/ U3 G- t """ 8 k! p# o! M* V9 s Return True if the string is an alphabetic string, False otherwise.' H! ?1 l. U- H" [3 N4 T% @
% H: L/ o6 J i
A string is alphabetic if all characters in the string are alphabetic and there: g: Q, y' B1 T! s8 m
is at least one character in the string. Z) L, q+ V" ], H """8 ~ Y! B# C; R
pass 1 O! G, H) R3 H4 R5 ~: y4 ]* e( C& W; k$ s( S. a9 \/ w* u
def isascii(self, *args, **kwargs): # real signature unknown 4 W0 i5 E) F) i8 s! a """# @4 l/ N' z* B0 n
Return True if all characters in the string are ASCII, False otherwise.0 x: p0 m4 X) C8 g- e% H, r2 x
2 {6 X& ~% u& j+ Z( m2 A) b
ASCII characters have code points in the range U+0000-U+007F. . w* n0 Z3 d5 i2 l Empty string is ASCII too.$ P6 o) O+ E: @* {; Q/ n# c
""" , e* P7 W7 g) T- y: ^/ ~! c pass, {) o+ G* n5 c O9 i
: N* R& Z3 |' n4 f+ w) w' \, U! a def isdecimal(self, *args, **kwargs): # real signature unknown : g8 a$ Z9 N9 g5 Z2 {3 E """ 9 B5 m. u, ? T \! _9 g* D Return True if the string is a decimal string, False otherwise. 4 t6 |5 p5 F9 {6 g+ Q' ?7 H ; K+ z9 Q, c9 q, p$ _: h$ A8 D A string is a decimal string if all characters in the string are decimal and - p) k. G2 u, Y' c x there is at least one character in the string.% D! d \/ H+ k7 P8 F' W
""" 2 R' X( y o9 ? pass/ j8 P9 a, X O
, Q1 o( n p% r; ^7 {, ] def isdigit(self, *args, **kwargs): # real signature unknown + ~! |0 S0 H5 M( A) q """ & y5 E$ g* \2 Q9 G! k Return True if the string is a digit string, False otherwise. " K/ i& o& p% y2 l % |3 t2 n" s4 W! @3 w A string is a digit string if all characters in the string are digits and there 2 }7 r$ \# ~5 v) ^4 e$ K3 M is at least one character in the string. ' N4 S" Z" {8 F8 M, y3 T0 d* K """ 0 L* q3 _+ P+ C2 U5 q pass0 f+ C+ n" j' F' G
8 M, m4 h" y& s+ v' [
def isidentifier(self, *args, **kwargs): # real signature unknown * {$ z( l$ g t9 i """ # p; s7 B6 H; o8 F1 u Return True if the string is a valid Python identifier, False otherwise. , [# E" H6 M- {- d8 W3 v: o 3 S/ U; j% W; e Call keyword.iskeyword(s) to test whether string s is a reserved identifier, ) j/ ^- K D F6 ?9 C: f- q such as "def" or "class". 4 z7 x) b/ ]$ ?# g6 H) E% D """ ' N: K, `6 k" E6 q$ L1 \+ g' v0 I pass ( k6 V7 y3 l- Q% _. ?) A7 [8 M0 B0 q; k: l% t' U/ ^
def islower(self, *args, **kwargs): # real signature unknown & }/ S$ \6 E& w- J """ 9 e3 K/ N8 K# y& A Return True if the string is a lowercase string, False otherwise. 5 m7 @+ O" z2 C9 M) R4 _0 d: T( s5 ~& v
A string is lowercase if all cased characters in the string are lowercase and 1 L( ?# w: Z. a# [+ |) T' D( s1 M there is at least one cased character in the string. ' _$ W% B" H9 h. ^/ m! } """6 o) \& W2 Y) h+ N: Y1 p
pass" u* G1 ~4 c) a% C4 ~
+ K* w3 ~ L7 T3 v- b1 I' e
def isnumeric(self, *args, **kwargs): # real signature unknown ! S' Y& Q6 a6 A- R9 y) {$ m """ 6 l ^' w7 E, h2 J% Y Return True if the string is a numeric string, False otherwise. m: P0 N6 A# {
" ?, @1 d/ G7 _4 h0 E) s
A string is numeric if all characters in the string are numeric and there is at / [1 I6 j& d+ `' r4 z2 T least one character in the string." i0 c; x- S3 H; u% j
"""3 I9 \' s6 f8 V/ G8 I
pass + f$ Q+ |7 k9 o4 [8 U8 A' A/ t( o" M+ ?4 E8 i6 S
def isprintable(self, *args, **kwargs): # real signature unknown * d g7 G1 S6 Z, f. K3 K# P """, M t- ^* v0 e1 N O. k, ^9 B" s
Return True if the string is printable, False otherwise.6 U) \0 Q. U0 w
! U& p6 \' |; K" `4 W: e
A string is printable if all of its characters are considered printable in % B! y! y9 z0 X8 T! J repr() or if it is empty. # m5 f- V3 z$ g( Z# t """- u/ i6 }% b' b7 P- E
pass2 Q7 j' i5 D- e; L- t/ [
9 c) X5 t* I, c6 `( l; N def isspace(self, *args, **kwargs): # real signature unknown / x( O- ?/ J& I" G- e """ : V- H0 V3 E! b l! J Return True if the string is a whitespace string, False otherwise. - B3 s. V, f$ @" ^. L3 I) | b* |0 S: C5 V3 q R( n
A string is whitespace if all characters in the string are whitespace and there1 \6 ?3 u! j8 ^. E% ~! I
is at least one character in the string.8 b/ C' C% }1 H4 ]" F7 V
"""+ x9 M6 A. n9 S* s7 h- U
pass# V% D5 R9 l* }+ U+ E; d2 I
& O+ I1 ~; C% K4 N" D) M def istitle(self, *args, **kwargs): # real signature unknown 8 ?1 U1 f) |9 K9 B' b6 { """ - G- K# v9 G% p Return True if the string is a title-cased string, False otherwise. . Z1 q9 x( b% F- T2 A" V 2 a/ I' x6 J$ M9 ~( t! C In a title-cased string, upper- and title-case characters may only 3 j6 N# Q) A8 ]5 L. r follow uncased characters and lowercase characters only cased ones.& ~+ B( F) b8 p/ c1 w# ^
""" % s) K2 G3 Q* } pass$ k! ]0 S1 }9 j' B' {) o4 l$ E* A) h
5 e. ~/ i% V7 o8 j# v, S8 u def isupper(self, *args, **kwargs): # real signature unknown6 u" q# o; M" H+ V j
""" & a7 l( l1 P$ u. F; c5 v Return True if the string is an uppercase string, False otherwise.( G8 X' A% h) T H4 D( v
# a9 X. T' e/ q
A string is uppercase if all cased characters in the string are uppercase and & p1 q8 c3 W- C, a# @5 ` there is at least one cased character in the string. 2 g+ w5 P9 O0 S" s8 I- x- Q """ : `& x. f' @) Z& } pass5 G. s* d5 O. J5 [- E6 B* n
: l2 u: H2 F' E/ O8 K* f def join(self, ab=None, pq=None, rs=None): # real signature unknown; restored from __doc__% c" S4 m: y }5 l" N; I" }
""" % Q: g, t7 K% E6 V' u6 n Concatenate any number of strings.* y! Q% l# k% y/ {) P
$ L' D( C' _+ t. Z2 D The string whose method is called is inserted in between each given string.8 C& C% s+ v3 {7 I
The result is returned as a new string.6 y$ m' }1 | K% R# A
; i) q+ R2 g& D! M Example: '.'.join(['ab', 'pq', 'rs']) -> 'ab.pq.rs': @% n4 @5 Y- @9 o4 H& i
) B9 Q' a2 N1 z4 S3 Z
连接任意数量的字符串。 2 i5 W/ c6 ]6 \: H# Q) u, b9 z( \+ `1 Y0 Q9 L; t' W: w0 z) x$ v
调用其方法的字符串被插入到每个给定字符串之间。 # f( }2 d' {( ?% O* W: n 结果以新字符串的形式返回。 . ~( \7 t* g3 Z9 T3 l , S- t" j: V Y2 s$ l- K: c 例如:“。”。Join (['ab', 'pq', 'rs']) -> 'ab.pq.rs'5 r! [$ R0 K8 o7 D& b, `
"""3 i M9 U6 p& F) d- J" `
pass8 ~3 f3 `- n0 V9 Y& m& H) A G7 @
) S; a* o( L/ o3 w. K
def ljust(self, *args, **kwargs): # real signature unknown# R+ W$ t0 |. S' m& ?
"""5 I/ |) {' F8 K& t; W( D! a
Return a left-justified string of length width. : s6 _7 w* C, N8 |! k( G) W' ^9 n; @ ) E$ n2 y3 C* \# p. @9 U3 x6 p Padding is done using the specified fill character (default is a space).* \7 W; T, U; |, A; L- J
6 j' S3 Z. `& e2 O 返回长度为width的左对齐字符串。 & `) @3 P, T9 S# b 1 ~/ c- u* f! A* G R 使用指定的填充字符(默认为空格)填充。, _! `1 q2 {' v9 n( e3 C2 _1 B
"""6 \6 F6 B3 s u& ]* B
pass 3 p7 f$ i1 C5 Q @0 r. S) `+ x7 ?* x# q+ \, ^, {
def lower(self, *args, **kwargs): # real signature unknown. C7 M" W) b5 \0 ^ p$ e" E
""" Return a copy of the string converted to lowercase. % W/ `) W+ W9 ^: z9 o4 d6 l 返回转换为小写的字符串副本。""" : \) R! d5 v* g: X+ f$ C1 Q pass * h5 H! k- g/ d2 ?( \ ( }# Y2 X" |' Y! l8 w7 R def lstrip(self, *args, **kwargs): # real signature unknown$ X5 L1 j8 `3 K) B, P
"""' t" j6 z7 y( [
Return a copy of the string with leading whitespace removed. 3 }% Z6 n/ s k& t3 E6 u, a7 l 7 h- @2 F& J0 ^ If chars is given and not None, remove characters in chars instead.; k) ^: k3 l9 W6 ]. f3 B
" q3 |; v9 H0 X9 w7 `. R 返回删除前导空格的字符串副本。 9 S) M e" B& C # m# M5 C: {6 D% R 如果给出了chars而不是None,则删除chars中的字符。 # s, ^7 s2 P4 `8 p5 h, e """ ' k' Q+ ^7 b- x' H" C+ z" [ pass3 d9 K6 y0 C0 j, \7 D( l9 Y( @" \* k
5 R) d+ O9 ^% S" O N0 Q def maketrans(self, *args, **kwargs): # real signature unknown * ?/ f( F# n9 o6 _2 B """4 y( y* \% R% g) B. C% y2 D( o
Return a translation table usable for str.translate().4 b; o; }$ P! d2 O
1 _! O2 W( i& F7 u0 Y
If there is only one argument, it must be a dictionary mapping Unicode$ F+ N1 U0 S0 ~ l6 p
ordinals (integers) or characters to Unicode ordinals, strings or None. + {& g' b9 E1 p- i Character keys will be then converted to ordinals. 1 V" J2 F9 g7 j% P% U; I: _ If there are two arguments, they must be strings of equal length, and- P& j* \5 D( W# f4 b' k
in the resulting dictionary, each character in x will be mapped to the 4 F# g; f0 B8 k! }3 ~ character at the same position in y. If there is a third argument, it; q. z- Q+ G: P* e* \
must be a string, whose characters will be mapped to None in the result. % n I1 ?) B# Y- W """4 V0 x; l- q: ~
pass 8 n4 Q+ I. ?# |1 M0 q \ * ~1 o G! G" d def partition(self, *args, **kwargs): # real signature unknown5 D9 c% C N* }* x6 a/ ?
""" 3 m: n; A! y0 ?9 v0 O Partition the string into three parts using the given separator.7 g* p. C) ~; J* O5 n' f
a/ D" _& |: z* p Q, d4 U' Q This will search for the separator in the string. If the separator is found, & a/ h: E' i# E: z1 m4 m+ D+ L returns a 3-tuple containing the part before the separator, the separator6 i7 N3 v2 f) r
itself, and the part after it.) i# s* X. [5 O" G0 G9 ~1 X& l
7 M; K8 J, h& T If the separator is not found, returns a 3-tuple containing the original string, s, J4 x9 K. T1 V1 M* T; S7 N+ g
and two empty strings. ( P. p1 G! U7 T! F( @* q4 z """ , I [% A, m( D# k8 A" z9 _2 F pass6 T7 R: N2 A5 s, B' Q: ^8 Y |
1 S9 z! {) Y: R. M: M/ S, a; U8 f
def replace(self, *args, **kwargs): # real signature unknown' o% U/ L* x2 v* F0 G1 G
"""4 k0 Z1 z* z' h. z$ }
Return a copy with all occurrences of substring old replaced by new.0 c* H# k: I3 M2 M0 K: `
5 x# M! { J6 l2 V# S count 4 w# y" o6 I% O2 w, c( s$ Z i/ r Maximum number of occurrences to replace.. i8 }6 ]0 d1 w" j8 O8 P7 {
-1 (the default value) means replace all occurrences. 5 [, h! A8 F8 u! y2 H5 N+ I5 \5 a( L& g# ~: G( c3 K% P* A$ s7 K
If the optional argument count is given, only the first count occurrences are ! h v. _6 @, ^ replaced.' n- F* X7 G; W, ~" B$ z
& P* X$ W- C% [7 v% z( }5 H 返回一个副本,其中所有出现的子字符串old都被new替换。) d. I3 u/ e' y& N U
2 k, n, W# c( I9 }# d) c
数 $ T6 O8 Z- m$ D6 ?: I+ a) M& ] 替换的最大次数。! k& Z0 }9 _5 P; W* X q
-1(默认值)表示替换所有匹配项。 * o8 Y- t$ R! v$ J* W; V 1 w) @2 m2 W( I; t# ]
如果给出了可选参数count,则只出现第一个count更换。 % x0 p8 d; J4 w4 H* W """ $ [$ b( ~' V; Q# }: o pass * u2 ^* f& a; |: r: X$ i& I7 Q7 n/ \+ d) ^/ ^% r
def rfind(self, sub, start=None, end=None): # real signature unknown; restored from __doc__ 9 j( B+ I9 ]$ j$ t """ 1 q+ u) e E# Y S.rfind(sub[, start[, end]]) -> int# W* m9 L- f% z' {- @, e: g+ P
, E6 D* Q2 g4 n# @1 b- z Return the highest index in S where substring sub is found, 7 ?0 ~3 k r2 @$ @ such that sub is contained within S[start:end]. Optional, b, F5 K: h1 o% N d3 I
arguments start and end are interpreted as in slice notation. : w; B9 B: u3 C# m' J* k V% Z9 {# X) q! z6 l3 v3 [) [
Return -1 on failure. " w' s. V2 g, G2 N """9 H3 p7 g! y: L' M- H c- ^& \2 D
return 08 d3 a+ v/ P( X% J9 g( M% R& H1 f
( `5 j# h8 u4 u: J1 O0 q3 a* z
def rindex(self, sub, start=None, end=None): # real signature unknown; restored from __doc__ 5 M2 z$ N6 B# r" h, `* F """2 I! u" K# b0 j2 U- S, ~( j' Y
S.rindex(sub[, start[, end]]) -> int ( W' @2 U* W! P7 o2 e1 v * @) m5 O. ]: s Return the highest index in S where substring sub is found, * W: @7 y# O- {3 f such that sub is contained within S[start:end]. Optional, S7 h9 [- k& n5 p
arguments start and end are interpreted as in slice notation./ b7 n9 }3 d5 }9 D7 ?
8 b0 W+ v2 |& C' n& J9 X9 z
Raises ValueError when the substring is not found.6 W$ e6 f0 K- a% K# j# P& X q
""" h x9 }5 N, n2 m3 Q% g, ^% Y return 0+ c8 r; q7 [% K$ F' e F
0 g7 u4 O+ Y1 s2 q
def rjust(self, *args, **kwargs): # real signature unknown " Y5 p+ A% ^& \0 t- y9 R """6 q ` U+ w/ U: ]. T# h$ K+ N
Return a right-justified string of length width.0 [3 w/ T F% N ^3 f
, b( U ~, h6 _$ x0 c: t) U
Padding is done using the specified fill character (default is a space). V* r/ }+ T+ r1 o" q9 l ]' } \- e" f& B1 }
返回长度为width的右对齐字符串。8 l' n9 R' E8 K! K7 ^4 D
7 G( W3 |# \: z
使用指定的填充字符(默认为空格)填充。 + Y9 A% u7 W" e3 L6 m, N """ " P8 G+ g* m# j$ O5 y9 z# [ pass+ v3 G" S, R' S7 }. T4 p1 {
& {' J1 L2 ], ~3 n& {3 X
def rpartition(self, *args, **kwargs): # real signature unknown" Q; {" j' S4 h3 D6 Y4 N% _
"""# S! D( V. q/ m! _
Partition the string into three parts using the given separator. 4 n' p( |& A% _9 U* n - `; Q+ ^/ e) V4 S# A, B This will search for the separator in the string, starting at the end. If , n3 t7 Z9 t; T1 p the separator is found, returns a 3-tuple containing the part before the . g+ `4 f. Z: d& i separator, the separator itself, and the part after it.- B" c H+ Y1 Q* J W2 E, Q
9 @( l3 ]/ `( d& Z _ If the separator is not found, returns a 3-tuple containing two empty strings; i, {6 K3 o* o" O4 }
and the original string. $ G3 L. d) F, e; g9 b! P6 r """ 2 m) i+ K; ]- @/ Y3 }% F- s pass 0 C) i' H+ T4 m# v; L0 v; r. P) R2 J- S, I6 e' q
def rsplit(self, *args, **kwargs): # real signature unknown1 `- A. e: B8 m" o. q" N
""") y8 {6 R& b% K" Q; K. _
Return a list of the words in the string, using sep as the delimiter string.+ k: c: Y/ t5 N
F8 g0 W4 f) b3 _' w6 ~2 [+ I5 s
sep5 i& n# }3 S' |
The delimiter according which to split the string. , y M2 J* U) j, @0 i None (the default value) means split according to any whitespace,9 t3 X% N3 v8 L6 z' z* B L( o
and discard empty strings from the result.8 [, {/ ]$ ?. E. A
maxsplit2 C; O6 c% E/ b9 {: ^
Maximum number of splits to do.$ T3 h! v; ]: X k; F5 e9 P. {: ]( N; `
-1 (the default value) means no limit. ; s3 j6 R5 D: y8 r B: X. I3 m8 g2 ?- k. i, }7 b. c) }5 l
Splits are done starting at the end of the string and working to the front. ! M$ S# T4 e& {# l3 H* C) f# g+ b; v; u( ^4 U' g3 T8 k- ~* Y6 Q
返回字符串中的单词列表,使用sep作为分隔符字符串。 2 S3 U; ^8 T$ S sep . X& s4 w6 M: c# ^3 @5 O* j6 k 用来分割字符串的分隔符。& i- C9 @5 e; e1 A! n# P
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。 9 b" m- E6 L& N% q1 C" X & F4 T; B4 o5 Z' |9 _* g. f2 [ maxsplit : s8 W! ^9 y3 @- G7 y; W$ ^ 最大分割次数。 , g9 W6 h u/ s" g -1(默认值)表示无限制。- S% k- Z( {2 v2 @* C
" u+ L" ^" P" {: ]1 J3 ~" f
劈叉从绳子的末端开始,一直到前面。 4 g3 ?2 ^& k3 M& J' w# R """ $ C5 q- u" W+ f; ` pass# q$ `* t# P0 j- o$ c7 G
$ g i+ d& U- z( o' \: O8 T* B def rstrip(self, *args, **kwargs): # real signature unknown7 y& F( H1 I6 V/ _4 \& t8 C. @
""", S1 u7 o9 I; @( j6 l; Y
Return a copy of the string with trailing whitespace removed. ' J% e" t* R% M V, s, a# v; s. q# _$ P' C
If chars is given and not None, remove characters in chars instead. / X+ |8 a0 Z% S4 Y$ d" ?& E+ P' q. P! G
返回字符串的副本,删除尾随空格。 ) l4 ^, F# F: [- Z0 k+ |0 |3 r4 C! n, R
如果给出了chars而不是None,则删除chars中的字符。/ a O0 Z* K& Z" g0 `
""" ; L$ S& S8 a; S- ~9 F! T6 r pass . Q6 k* o, T& i. Q" L ' v7 q& W( s" P% c+ F" ] def split(self, *args, **kwargs): # real signature unknown( \ j1 E3 s2 ]" }; K
""" 0 P0 `! P3 d3 m5 I+ J Return a list of the words in the string, using sep as the delimiter string. ' O8 R5 w8 Q$ W. ` 9 _+ [. D6 H( A5 v- G sep6 ^7 Z$ K7 a& o+ K& L% a; l# u T) g7 f
The delimiter according which to split the string.8 l" S A' l! O/ H; b6 |* k
None (the default value) means split according to any whitespace, 8 [$ k4 n: ~( q% l' b: E& }5 j and discard empty strings from the result. % q4 j( a& S! H s1 K2 x, x maxsplit: x& ~+ Q& i* u2 v+ o0 J/ E
Maximum number of splits to do. * }+ _9 V: A b3 J' n -1 (the default value) means no limit.* E- k% r: U: I5 D3 M7 O, [' U
""" ; M9 M' J( w/ ~" t! `2 Q pass * ?$ M2 Y5 X9 a6 J* x [: \# {4 J( B4 x
def splitlines(self, *args, **kwargs): # real signature unknown0 g. I c9 [" B: y- P& x# O/ |' O" C
""" + d5 `: Z9 _. v9 s( H" Z" q Return a list of the lines in the string, breaking at line boundaries. + y0 f6 ~! r5 g; Z; s4 I% Z% d9 |; F4 B: c& Y
Line breaks are not included in the resulting list unless keepends is given and; |: ?8 z6 K) B
true. 1 @1 I; }/ [( ~# d5 Q: ~& m """ " B* A1 u* t$ U6 z& B) H7 L pass8 Q$ H: b* o2 C
; F$ d8 o: ~) r7 G- d6 H* @
def startswith(self, prefix, start=None, end=None): # real signature unknown; restored from __doc__ ! u5 m0 k( s! d) Q """, n8 Q8 D% Z9 L, t& J
S.startswith(prefix[, start[, end]]) -> bool " ]# t/ Y$ W. J/ a$ J! a1 o/ [/ Z" N* q7 Y
Return True if S starts with the specified prefix, False otherwise. 2 r' `& s/ P6 e With optional start, test S beginning at that position. 8 P, w& e% b; M) t3 J8 B% J' j$ Y: @ With optional end, stop comparing S at that position. + v' G& V, u0 H E3 H, w$ N7 [ prefix can also be a tuple of strings to try.7 D3 }; X, Q& ]2 a7 w1 g, j
""" * k. {6 N' c/ k0 M. { return False ! w$ a" R& N" T( P " j' Q1 _2 U! M1 g9 Q* h/ w" k l def strip(self, *args, **kwargs): # real signature unknown 4 ]8 U9 h$ m7 O5 T """ - X- D" E* n. G* V5 `9 o | T% a$ a Return a copy of the string with leading and trailing whitespace removed. . O: x3 {/ B+ ?/ J7 V! J( @+ |3 w8 ^# A( \: k7 J# i0 W
If chars is given and not None, remove characters in chars instead.4 A, S2 I& |2 o, P1 q& X4 k' y
) Q$ X9 K, ?' E3 F0 O 如果给出了chars而不是None,则删除chars中的字符。 y G: X# B; U( | """+ L" q0 t* y1 R L5 @$ [
pass ( E8 M& R& J+ z, H& k: S i0 C2 A2 O$ Y3 i V/ h8 m& s
def swapcase(self, *args, **kwargs): # real signature unknown $ P( `5 r& j4 {3 u) Y. q+ p """ Convert uppercase characters to lowercase and lowercase characters to uppercase. """* A0 f2 U3 n" U* {# l
pass 1 q7 d+ k9 r. G* l) P% _ / w" _& o: I h def title(self, *args, **kwargs): # real signature unknown ! g' @0 |4 y" e i """7 R% g+ b! M9 w- o# V
Return a version of the string where each word is titlecased. 0 m0 B) A9 ~+ S7 j' o" @; b $ N+ h) A9 _( I: `+ C More specifically, words start with uppercased characters and all remaining 9 y: }7 w& J& |, K cased characters have lower case.9 y5 y! t5 V% c) n* k
""" ' w9 g6 T! b; e" K4 b2 z; k& s0 t5 [ pass$ } d+ r4 H+ N
# `# a" m- ]; t( t
def translate(self, *args, **kwargs): # real signature unknown( O; |6 [9 R% W
"""0 F' z s: j# V& J1 y- s ?
Replace each character in the string using the given translation table.* w2 @# K/ D5 F7 P$ b* T
' u# B: Y1 z/ t% H" {/ r table 7 D4 e6 ^1 h) `6 E5 ]% g Translation table, which must be a mapping of Unicode ordinals to 4 N4 s) x# \6 X4 J1 |3 `, w$ K" B Unicode ordinals, strings, or None.9 k' v* [6 i2 A+ j& b0 f
& Q1 d$ `3 P) x# d+ H6 e& Q The table must implement lookup/indexing via __getitem__, for instance a # a+ d% i6 a: s" Y: ^ dictionary or list. If this operation raises LookupError, the character is( n0 }1 Q$ n: X
left untouched. Characters mapped to None are deleted. ! S1 j$ |+ a; y& G* u """ * n. K2 i2 z$ ~0 h( Q! i7 Z- h v" s: l pass% G& F W8 C' \" b8 |
5 R. V( o0 `4 `" {7 K0 I7 a2 y def upper(self, *args, **kwargs): # real signature unknown) R3 d$ X$ P8 j7 x% r# L6 W: X
""" Return a copy of the string converted to uppercase. """ 5 s R; P" _& a n, E0 S pass }: N/ P K" \) g* t# W# ]- U
# w1 Z( s% \1 s5 n- C7 \. ], U def zfill(self, *args, **kwargs): # real signature unknown W+ h: j: ]4 I9 O. d$ D
""" / n2 y7 e5 k7 k1 }2 e3 w4 K1 } Pad a numeric string with zeros on the left, to fill a field of the given width.& {( L ^; N }, ~( W) `$ z
; d0 S! i* A/ h2 ] The string is never truncated. . I! E& R; _! W3 r1 E, T; z """: o) F. g6 g( J
pass0 u& Z5 R' M- \7 ?4 a
$ }2 t! d; r9 ~: c/ i def __add__(self, *args, **kwargs): # real signature unknown 3 r4 O* G. i s. r6 t """ Return self+value. """ ; d, C2 I; u9 s/ Z pass/ J( I8 i; W0 T8 j
/ K1 o. ~4 o% ?) u/ I% J) G def __contains__(self, *args, **kwargs): # real signature unknown 6 ~$ r! G& N! o* V- S """ Return key in self. """4 Q2 h! B/ ?; @, N$ G* K' h
pass + P9 R7 M% `% D % A! Z) l/ G! u# T _6 D8 v def __eq__(self, *args, **kwargs): # real signature unknown' {: H' @# V8 D% k
""" Return self==value. """ 5 _, z( U+ t7 j4 J) O) t pass 5 I! s& I4 B3 M5 `9 Z7 L* U5 p: Z- Q
def __format__(self, *args, **kwargs): # real signature unknown - f$ _* M4 c# d$ l& r7 X+ ?+ ? """ Return a formatted version of the string as described by format_spec. """8 q* Q2 A/ w, M9 t" `5 w
pass 7 ^' _3 R6 [# z' P 0 A( N) v9 A5 _ def __getattribute__(self, *args, **kwargs): # real signature unknown ) Y2 D" ]; j- e. ~- F """ Return getattr(self, name). """ 9 t- n& Z+ y+ n' U pass1 c% ]0 F% M3 K8 @/ y8 O
/ F' k' J/ _% ?4 W" m+ L0 O/ }( H def __getitem__(self, *args, **kwargs): # real signature unknown + V* z. g/ v) b """ Return self[key]. """ * b/ U0 A* B+ ?" Q9 S$ R pass! \) D Q! V. a
6 i. c8 @/ {( o, [: j" X+ h6 [
def __getnewargs__(self, *args, **kwargs): # real signature unknown ; g& [+ B* ~1 F2 N( o. H pass V: h2 A) u4 ^* `+ I0 x! s
2 b2 \$ T5 V& a }' p) d9 D3 E def __ge__(self, *args, **kwargs): # real signature unknown9 U0 D+ d6 {4 e5 S2 `
""" Return self>=value. """& M* u. @' j. {8 p4 s1 d
pass 5 @/ ?$ j# ?: ]& ^: A# ?1 k& D* \" Q; T2 A/ e6 @) E" P5 X
def __gt__(self, *args, **kwargs): # real signature unknown3 Y$ m& E- B- Y! _! K4 D
""" Return self>value. """ 8 u% j8 v) _- ]& ^6 K4 D pass & H5 C' j5 c8 h0 k8 {' Z0 W! p5 Y1 C; f j+ L+ H# C- }/ i6 F& t def __hash__(self, *args, **kwargs): # real signature unknown( R, t: |) _3 o$ t% N7 r# G
""" Return hash(self). """ 3 X7 X7 P( Q4 ^! ~1 \ pass 3 a7 ~5 A; S k4 S N ]: G9 A0 W) k$ Y: K+ q5 y
def __init__(self, value='', encoding=None, errors='strict'): # known special case of str.__init__ Q' c4 N3 s4 g* J; X3 r. o """; t' @. q, k# e4 q
str(object='') -> str / v; z; }# T/ j z7 B str(bytes_or_buffer[, encoding[, errors]]) -> str, B& F+ [/ }# ?: g
* X* H$ a* {# J' v T9 W Create a new string object from the given object. If encoding or 5 x @! {6 S H( K+ F( u/ G9 } errors is specified, then the object must expose a data buffer: H! ~/ b! t5 Q0 }7 l
that will be decoded using the given encoding and error handler.( X( K& z/ P/ V4 r1 K
Otherwise, returns the result of object.__str__() (if defined). k2 c, i3 h( K! K, G
or repr(object)., R# z9 C8 |7 w' h% w' @: @2 D
encoding defaults to sys.getdefaultencoding()./ }$ M. W7 w: G: F j5 I V: O
errors defaults to 'strict'. 1 C! p; i7 t/ k4 k # (copied from class doc)+ d! g! t8 _* Y0 l4 k
""" & P0 O$ @8 s; H5 H5 f" G& T3 J pass 5 m* E* c. W7 w$ W( O" D4 E - H6 J( x. V! n$ U; c5 Z def __iter__(self, *args, **kwargs): # real signature unknown% A3 B" {3 p! l: T2 G
""" Implement iter(self). """ - R4 y2 c4 k9 t/ D pass! z( P- `& m% b `# L0 {9 B3 H
$ B+ M/ G) X5 I/ D0 @% p1 K' ` def __len__(self, *args, **kwargs): # real signature unknown 7 \% a' V; r0 x+ Y9 G """ Return len(self). """3 w& R) ]- n; t1 K( y
pass# L6 |8 ]7 o/ [
7 Q' |! B; c( r- Q# N, v def __le__(self, *args, **kwargs): # real signature unknown . M' \5 f6 Y, F+ J* J" w% c """ Return self<=value. """ / y: g' o5 J! l; S8 I pass 0 h+ v/ E. V4 q8 C( t# o/ d& k, {/ k
def __lt__(self, *args, **kwargs): # real signature unknown ! M6 l' q! j G6 a """ Return self<value. """ / q: R- y1 X" s2 |- i8 G pass5 D1 H: ], t1 D' i
# z) K' |2 O: A0 W0 v, _ def __mod__(self, *args, **kwargs): # real signature unknown( |% W. g* e9 G! Q5 s6 e
""" Return self%value. """ # ~( _0 h2 T( d2 ]% n* t pass 8 G& v% e! U' ^& n3 _. ]- o9 f # n" Z+ p; H* v, T% C+ k. W def __mul__(self, *args, **kwargs): # real signature unknown* m j7 K% m7 K! ~
""" Return self*value. """ % r$ q* Y: `. X% s+ t0 p. i pass I; q X5 j6 g$ @2 `; d6 L " X& t3 d# ^) y4 r @staticmethod # known case of __new__9 C# ?6 i8 } w5 u" @8 S
def __new__(*args, **kwargs): # real signature unknown8 T/ O, }9 ^9 t; O3 T T
""" Create and return a new object. See help(type) for accurate signature. """$ \' X5 q" i$ x) g' R$ o3 w
pass$ ]8 O/ ?7 y+ u6 p9 O$ r+ O
- M. g' i9 M* D5 u* j4 |
def __ne__(self, *args, **kwargs): # real signature unknown- K( C0 h, C; T, \' \, }
""" Return self!=value. """ 7 K0 [+ s' q0 _& ^7 t2 b- V2 c pass; }5 H* a0 v9 I6 w
2 y4 q9 v2 V! Q T/ d def __repr__(self, *args, **kwargs): # real signature unknown3 v0 y6 h V4 e2 [3 d& A/ |
""" Return repr(self). """ 5 ]$ N- t+ U) K4 s5 U0 D' Y pass+ V! }! R& G5 v$ V
U* t, J5 E4 m9 Z4 W% q
def __rmod__(self, *args, **kwargs): # real signature unknown - w3 g! m# A& b N; d' A """ Return value%self. """1 V1 a& t; |% d% N) g% E" T) x
pass # K: n$ H* e, |) F4 |6 e% Q9 f( \0 ?5 I+ D4 _2 }3 o5 |
def __rmul__(self, *args, **kwargs): # real signature unknown- g: }2 |/ C {
""" Return value*self. """3 |' ?; ^+ Y5 U% X
pass 8 t6 A$ ~; n0 q' }" v: w3 U# N6 g' }6 X: J) N$ n
def __sizeof__(self, *args, **kwargs): # real signature unknown$ j8 y* o# a7 ^1 {- @" B' j
""" Return the size of the string in memory, in bytes. """ i3 L2 [$ n8 H( s' |4 X A
pass6 i1 ]1 ]8 W) d+ c
" ~7 T9 r1 u T, c2 Z def __str__(self, *args, **kwargs): # real signature unknown3 z/ f! s( w+ [) s0 K* m
""" Return str(self). """6 f6 {5 ]- F5 U& b+ q7 K
pass % M& A! L" c9 D. j* z2 h+ o l ) k {' [! c/ d. h0 A1 t; b9 R1 & l% L" b- x3 L% ^2% T. s, L- R0 O. i% \
3 & R9 L' A( P4 z% ]. M, m48 W, T2 H! q s( u4 f
52 U! _% [) a+ _; w2 X% {2 p! ~
6; y) b9 p1 R( V7 l4 D% j& _) O
71 v D+ |' ]0 p7 |- {, f' e8 n, g1 b
8" s$ N7 C* f2 @) |* O: M
9 [$ h1 L' y( ]- r& c
10 5 F- g5 C+ w9 m# D, h' t11* ~7 p! P! h$ K" {. i; b9 V2 l
12 , A9 L4 f5 G8 K13 6 [/ U7 m& n& E2 v141 B' `# p3 b, v* v/ y4 w
15 ( h6 I2 w& c% C16 7 S: k5 _1 v# n+ R2 v; b/ ~17% J: a3 _( V( Q3 ?+ u5 |
18 1 r# ^0 s: q0 C195 }3 T% b( ^) r2 L0 ]
20& S% v2 q( a0 g( k
21 $ U( [% a* ] _) H: v5 e0 a6 O228 W. z3 T4 b# P9 Q9 R* r
23 . e$ C) R0 E- M3 e! |1 |& @6 c/ |) j24$ V0 n/ c# [; q! `
252 B6 q" q6 u0 M
26 / E- R, U- ^. c0 c- e1 F" _9 V27 9 h- P" P# s8 b2 i E, w! N28- A; r5 R$ d' S) n" \
29 C c2 _2 I+ [4 D4 D" j' h ?
30 0 R5 K& K% S! R* G+ L* b+ b31 6 q* z) v& p8 [4 f/ ` E% s7 h32% J' o2 R$ Q# }/ X& k5 d2 p
33 6 G T3 Z5 b Q" _* l3 F r) l- d0 c34, }/ D5 A- J f, }
35 6 Q9 N# Z( L5 E+ j$ z36 {$ C" Y( E/ `. U! z; Y- z37 / W8 Z U2 b7 b38( J1 T! a. T0 {' }6 E: m' R# {: T
394 `5 T7 f* P+ P
403 N _6 D+ M; s9 N
41 % M$ ]" I( Q- G3 X; [7 u42 % Y$ a& P+ D7 ]/ D43* p# B6 `- g7 Z% Z, r3 }
44$ n8 v: x3 D+ n
45 ) O0 J. H0 d" T: [! w+ N46, c4 a( r3 i" M% z) ?8 E
47 / C" A8 X( R o5 G6 m48 1 T# X- u4 u5 E: v( n49 2 i9 B- ], t4 m6 r50' Q9 _# @* \9 l2 A4 ~) y
51 : ^( J5 _" C1 r52 ! I6 N% E6 K, L53 3 c4 ~! ?5 C+ G/ b- t0 N549 }3 z3 I2 u3 ]" G5 R
555 R# \+ Y" s9 N+ m7 Q
56 * i5 } t4 v# L* e" @* ^4 e57. y& x6 a9 i V( b' ^" |9 ?: p
58 7 T [) K5 D- N& d% C5 i59 ) c D# d" T/ e60+ \1 {8 b- l8 L" c8 _1 E
61 : V: `( f. w3 i3 e" b- N0 f62 0 O1 M' D* b2 k1 W/ i1 ?3 Y63- {+ g' W$ D) S' |3 o
64 , u2 P, R, P2 W' C: d3 R$ w: `65 : ~& y$ Q: ~! K3 Y66 # o8 D' c/ N/ z' U2 n. r* E67 ' x) ?) M' m6 Q3 k6 t* t3 O" A# H! j68 4 @% d! |( e; T) Y |/ Y692 o1 _$ I0 v \) }& G' J
70* J0 P3 w' G" \9 @( ~( L! H$ w, F
71 % j v4 T# F: W4 c/ ?/ t725 V9 t0 G R1 z$ g( F
73 7 O. F9 m- ]! m2 @. n+ i74; t$ x9 N% B& p0 r$ r0 d$ [& O
75 ! r1 Z" M9 z4 f1 }0 K( v0 s76- |* p+ P6 X. G- ]
77$ c5 U! K- n8 C' B$ S' `) m b7 e
78 6 j* o4 N5 @" m+ J4 c4 m79 - O c% ?3 S# k1 k80 8 E1 f* X z+ O8 J( }81 8 B" D0 ]; N/ N' Q2 Y- i827 C! \1 O2 M7 X
838 o8 s, v! g: S) j$ q; e' E
84 # x3 _' p+ F: m: D( h85 . X5 [4 g' A. q" W$ M6 u86 ' O& b; T- B% y* N87 7 ~9 F* t" b U1 L2 Z88, }0 w/ N2 G/ Y8 ]' Z, X
89* E9 w1 T1 h# P
90& _# X. ^ P; M& C- {
913 K+ B3 q F! P) G- w Q8 g
928 B- O7 h9 S4 B+ E7 h& q
93 - T3 I4 t3 w, C. n2 R94" \" U* j. W+ R( y/ f
95+ l( c0 U% ^. u: w
96( Q' R2 L7 Z# |6 X, a* Z B; \
97' w* V; J1 l4 E
98 , S( I* Q9 X- i) `. i8 h99 ) J6 P/ A+ A! w3 o# J9 f100 ( O5 E- c9 X3 D9 z101 5 s: h. H) p/ a/ s/ r3 @* G" G102 4 K C9 j+ z5 m7 |1033 i( H, Y. Y: }
104 {# U3 w, @5 `* i# h. H105/ b+ n& ~. Y3 I
106 : x3 I7 s: \& t) K: C) |1 }107/ o6 M4 _! x( q, _" r" v( n1 i
108: Z& Q$ i- o4 i+ M I2 ~
109! ]* e. g( e' \8 ]
110 7 V5 ~( i# E6 O, Q* h1118 E* o' _3 U' |' F
112 2 y8 { D8 D4 Q2 ^113 1 A% r8 f" U% u- w, O114 " x) b0 A1 O5 c) `- o% |115 ( X, |5 `" ]- E' l116, |) C. d' p1 D6 O) @" X" s5 f
1171 W: M- E' }( C8 @
118 ) o: L9 h; ?$ y8 i5 a1196 D! U& h! H; r5 a% K
120; M4 z0 J2 K, X( x ~$ S: J
121 - l1 Y2 |6 P* E C4 |122: a! E3 l, t1 t& I7 ~; M
123 : k$ w0 v. j! p% W124 $ B- H/ X; _! K Q1 n125 / C- r* G+ [+ E) ^* s/ W1268 z) e* x. x9 Z0 ]
127 X7 D3 Q0 M4 b, j1283 G) i% ]: d9 n* e% s' a
129. \/ z+ Z! S2 `& {" N
130 ' Q) |6 O7 {5 g3 q131 0 x4 k+ f- z: U. O" M$ u132 / z/ C- [! m( U1 _4 N/ g1 C: j133/ { ~2 r5 g ]8 M
134 ~0 i: C7 D) i+ M( r135 ( \+ `( y4 X9 z' P _136 * a" r) j* [( W: @0 K137 4 T$ k. ~! [6 z138- J6 u h4 w1 W3 E* n/ o1 o/ u. U* D
139 l9 n5 [8 \8 V3 }7 U
140 % D k! M7 w% d- M; |3 U: k141 # y6 H' Q; ~$ Y/ w: g142+ q A, }$ |9 s& Q2 ?+ i/ p
143 . _9 O3 F9 ^) b* e144- q% m; @8 k- c: o+ D* \
1458 @' e7 h% `1 T+ T% c- T
146. u/ k3 K, p6 w0 V2 e2 G# p
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619+ y) O$ D( s/ z6 L4 \' R4 }
620& m, C" @' s/ `: ~2 S
6216 J8 C# n% Z: {
622 + {: g2 R: | ?( [* l623 / t8 a, \8 E, T% ]+ r/ e2 d624 6 A# ^( w' M6 a! U$ W' Y( v625 J" @. U: f" A& N626* J, l$ [4 B* S8 M2 j( V1 U0 A/ p' V7 X
627+ o. E ~( B: W# p
628% q6 A7 h2 r/ l7 s) p
629/ e% }: z Y2 L Y
630 3 [! x1 b% |9 e3 X' T: e631- _3 n' r* s! `2 i; ~+ S
6326 J* H M: J+ s5 L' D3 f/ O
6332 \& i. l3 O8 a, d
6349 d3 ]: Y1 S/ I2 A5 m3 M3 T
635 $ r" x0 z* H9 |% O" I$ C636 8 ^$ E$ o2 ^& D1.字符串操作符 3 t1 |5 y' p! H+ O9 Z0 b操作符 描述 $ w; w5 \1 C8 w4 Q. J+ x+y,连接两个字符串x和y3 I1 D$ m8 J i6 ~ q2 ~
* x*n或n*x,复制n次字符串x t6 P4 y. R1 F% d% g% N3 s% min x in s,如果x是s的字串,返回True,否则返回False3 A! n. I! M, R, m- X
2.字符串处理函数 ' I/ v' |1 c5 L) ]- S函数 描述3 ^% k% M1 G X: O0 q
len(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 % N% F' l5 Z( R6 x* K c" ]! Ustr(x) 返回任意类型x所对应的字符串形式- n5 i/ G U. Z L
char(x) 返回Unicode编码x对应的单字符 - j5 {2 {3 S: J1 a) s! kord(x) 返回x表示的Unicode编码 : A9 {; q/ y! g: D$ H* w4 @) D: |hex(x) 返回整数x对应十六进制的小写形式字符串 / T a8 V' E& c# j; D3 q' @, Doct(x) 返回整数x对应八进制的小写形式字符串: }2 F: a+ Q) p5 s& P
3.字符串处理方法/ _, t9 E! i; H* b% j
方法 描述 , l, c' k6 h f5 i2 js.lower() 字符串s全部转为小写 % {/ e9 Y" \7 D: w4 A0 R6 ls.upper() 字符串s全部转为大写# S* G' m9 |) V3 _; j1 I9 B
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 p2 i0 X/ i% ~
s.count(sub) 返回字串sub出现的次数+ Y" \+ U8 I1 C
s.replace(old, new) 返回字符串s的副本,所有old字串被替换为new 0 |* @& V" A$ j0 |4 U, \' B$ Z; zs.center(width, fillchar) 字符串居中函数,fillchar参数可选% Q% u& a2 J2 W1 m a
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0 ^! R3 n# X9 c! p5 X+ M$ @" S
s.join(iter) 将iter变量的每一个元素增加一个s字符串 0 g2 m" P) I* y/ b; ?# `( J8 W) q4.字符串的查询操作* s. S/ X/ ~0 p2 z( C5 Z. u
方法名称 作用 5 g6 D( `! K5 a: r' X# Y1 p. gindex() 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 5 A& M( p3 i% K' K. ~' frindex() 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 & ?! g5 [9 j" }1 c8 |8 n- ofind() 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-16 F- u; `% x0 t2 W9 r
rfind() 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-1% N- c( `5 U6 d' u0 L
'''+ n2 ]8 `5 ?5 C* D- n0 G% {/ N* h
index()查找第一次出现的位置 抛异常 , E5 ~: P7 j( T6 S$ |rindex()查找最后一次次出现的位置 抛异常; J6 ?+ q8 m% @6 s u, Y" Q! [$ x
. S! r( J# C- g3 F- x O- b+ Gfind()查找第一次出现的位置 不抛异常,返回值为-1 q6 E: @2 L! erfind()查找最后一次出现的位置 抛异常3 ~' [* Z3 l$ z3 b
'''& S) c. k9 N5 n K+ S( ]
s = 'hello,hello'% v# x1 m7 t! e
print(s.index('o')) + h" C6 u9 `5 M6 }, H/ mprint(s.rindex('o'))$ {- R6 y* _2 A& ?$ @1 v
print(s.find('lo'))9 ~# ]& g F( J" U. c7 t
print(s.find('ui')) # -1 ( J" h9 f$ J/ I) x- b1 9 I2 t5 O" T8 \* _% K0 h9 u2 8 H' M6 {: D* d9 m0 h4 K3 `3: q+ }; g9 i2 P' Q
4% T! K# P- f* Q- f. r8 u
5# f6 R/ I6 X5 l, d# l4 O: w& u' a+ P
68 n6 H8 F' ^! S' `0 V
7 - [/ V$ ~+ Y0 b& V* D& B& g7 z8 ( o, m: I- p T% r6 U9" V/ `2 s6 ~9 P; d
10/ T) L! Q9 F# j2 r# t8 w R) [# H( f4 a
116 r% V# n. I5 @7 |
129 j* d5 O& V5 U) u2 n4 p' T% D
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9 d2 g m" y: S0 ]7 p) O* X' z
5.字符串大小写转换操作" S& R8 t2 r/ S9 p/ B
方法 作用& t5 n2 S% [) k3 b; u
upper() 把所有的字符串转换为大写字母 9 m' \: m. H7 ? c& q- e6 Tlower() 把所有的字符串转换为小写字母 4 [- J3 b( k- M2 l7 X: f5 {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。 6 @' X- S* ]: }. F! ]capitalize() 使第一个字符为大写字母,其余字符为小写字母 2 \2 c; A1 |: L, G0 i& r6 }title() 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。0 L5 O. Z9 F1 n: [$ S
# 字符串的大小写转换2 q/ c9 W/ B/ G8 i
# 1.upper()把字符串中的所有字符转为大写, T! M& x2 C) @9 T
# 2.lower()把字符串中的所有字符都转换为小写 . Q3 p& o8 C1 w; R7 a# 3.swap case() 大转小,小转大 5 S! x# h1 P4 Y/ o$ @) u0 E# 4.capitalize()把第一个字符转为大写,其余字符转为小写 " A8 _ F/ y) e& E5 T* R# 5.title()把字符串首字母转换为大写,把剩余的转换为小写7 P! u/ A+ a! V: K/ J