0001aboutSTRWord文档下载推荐.docx

1、print x._add_（ hello）print x._contains_（is a Test | _eq_（self, value, /） | Return self=value. | _format_（.） | S._format_（format_spec） - str | Return a formatted version of S as described by format_spec. | _ge_（self, value, /） | Return self=value. | _getattribute_（self, name, /） | Return getattr（self

2、, name）. | _getitem_（self, key, /） | Return selfkey. | _getnewargs_（.） | _gt_（self, value, /）value. | _hash_（self, /） | Return hash（self）. | _iter_（self, /） | Implement iter（self）. | _le_（self, value, /） | Return self size of S in memory, in bytes | _str_（self, /） | Return str（self）. | capitalize（.）

3、 | S.capitalize（） - | Return a capitalized version of S, i.e. make the first character | have upper case and the rest lower case. | casefold（.） | S.casefold（） - | Return a version of S suitable for caseless comparisons. | center（.） | S.center（width, fillchar） - | Return S centered in a string of len

4、gth width. Padding is | done using the specified fill character （default is a space）print x.center（50,_# *this is a Testing String!* | | count（.） | S.count（sub, start, end） - int | Return the number of non-overlapping occurrences of substring sub in | string Sstart:end. Optional arguments start and

5、end are | interpreted as in slice notation.print x.count（ | encode（.） | S.encode（encoding=utf-8, errors=strict） - bytes | Encode S using the codec registered for encoding. Default encoding | is . errors may be given to set a different error | handling scheme. Default is meaning that encoding errors

6、raise | a UnicodeEncodeError. Other possible values are ignore, replace and | xmlcharrefreplace as well as any other name registered with | codecs.register_error that can handle UnicodeEncodeErrors. | endswith（.） | S.endswith（suffix, start, end） - bool | Return True if S ends with the specified suff

7、ix, False otherwise. | With optional start, test S beginning at that position. | With optional end, stop comparing S at that position. | suffix can also be a tuple of strings to try. | expandtabs（.） | S.expandtabs（tabsize=8） - | Return a copy of S where all tab characters are expanded using spaces.

8、| If tabsize is not given, a tab size of 8 characters is assumed. | find（.） | S.find（sub, start, end） - | Return the lowest index in S where substring sub is found, | such that sub is contained within Sstart:end. Optional | arguments start and end are interpreted as in slice notation. | Return -1 on

9、 failure. | format（.） | S.format（*args, *kwargs） - | Return a formatted version of S, using substitutions from args and kwargs. | The substitutions are identified by braces （ and ）. | format_map（.） | S.format_map（mapping） - | Return a formatted version of S, using substitutions from mapping. | index

10、（.） | S.index（sub, start, end） - | Like S.find（） but raise ValueError when the substring is not found. | isalnum（.） | S.isalnum（） - | Return True if all characters in S are alphanumeric | and there is at least one character in S, False otherwise. | isalpha（.） | S.isalpha（） - | Return True if all cha

11、racters in S are alphabetic | isdecimal（.） | S.isdecimal（） - | Return True if there are only decimal characters in S, | False otherwise. | isdigit（.） | S.isdigit（） - | Return True if all characters in S are digits | isidentifier（.） | S.isidentifier（） - | Return True if S is a valid identifier accord

12、ing | to the language definition. | Use keyword.iskeyword（） to test for reserved identifiers | such as def and class.import keywordprint keyword.iskeyword（ | islower（.） | S.islower（） - | Return True if all cased characters in S are lowercase and there is | at least one cased character in S, False ot

13、herwise. | isnumeric（.） | S.isnumeric（） - | Return True if there are only numeric characters in S, print 98673.isalnum（）| isprintable（.） | S.isprintable（） - | Return True if all characters in S are considered | printable in repr（） or S is empty, False otherwise. | isspace（.） | S.isspace（） - | Return

14、 True if all characters in S are whitespace | istitle（.） | S.istitle（） - | Return True if S is a titlecased string and there is at least one | character in S, i.e. upper- and titlecase characters may only | follow uncased characters and lowercase characters only cased ones. | Return False otherwise.

15、 | isupper（.） | S.isupper（） - | Return True if all cased characters in S are uppercase and there is| join（.） | S.join（iterable） - | Return a string which is the concatenation of the strings in the | iterable. The separator between elements is S. | ljust（.） | S.ljust（width, fillchar） - | Return S lef

16、t-justified in a Unicode string of length width. Padding is | done using the specified fill character （default is a space）. | lower（.） | S.lower（） - | Return a copy of the string S converted to lowercase. | lstrip（.） | S.lstrip（chars） - | Return a copy of the string S with leading whitespace removed

17、. | If chars is given and not None, remove characters in chars instead. | partition（.） | S.partition（sep） - （head, sep, tail） | Search for the separator sep in S, and return the part before it, | the separator itself, and the part after it. If the separator is not | found, return S and two empty str

18、ings. | replace（.） | S.replace（old, new, count） - | Return a copy of S with all occurrences of substring | old replaced by new. If the optional argument count is | given, only the first count occurrences are replaced.print .replace（86, _RPLS_| rfind（.） | S.rfind（sub, start, end） - | Return the highe

19、st index in S where substring sub is found,print xfor i in xrange（len（x）: sys.stdout.write（str（i % 10）printprint x.rfind（） ,0,17） | rindex（.） 等同于上面的函数 | S.rindex（sub, start, end） - | Like S.rfind（） but raise ValueError when the substring is not found. | rjust（.） | S.rjust（width, fillchar） - | Return

20、 S right-justified in a string of length width. Padding is | rpartition（.） | S.rpartition（sep） - | Search for the separator sep in S, starting at the end of S, and return | the part before it, the separator itself, and the part after it. If the | separator is not found, return two empty strings and

21、S. | rsplit（.） | S.rsplit（sep=None, maxsplit=-1） - list of strings | Return a list of the words in S, using sep as the | delimiter string, starting at the end of the string and | working to the front. If maxsplit is given, at most maxsplit | splits are done. If sep is not specified, any whitespace s

22、tring | is a separator. | rstrip（.） | S.rstrip（chars） - | Return a copy of the string S with trailing whitespace removed. | split（.） | S.split（sep=None, maxsplit=-1） - | delimiter string. If maxsplit is given, at most maxsplit | splits are done. If sep is not specified or is None, any | whitespace s

23、tring is a separator and empty strings are | removed from the result. | splitlines（.） | S.splitlines（keepends） - | Return a list of the lines in S, breaking at line boundaries. | Line breaks are not included in the resulting list unless keepends | is given and true. | startswith（.） | S.startswith（prefix, start, end） -