Return a copy of the string s with upper case characters converted to lowercase and vice versa. """ return s.swapcase() # Strip leading and trailing tabs and spaces def strip(s, chars=None): """strip(s [,chars]) -> string Return a copy of the string s with leading and trailing w...
2.string模块源代码 1 """A collection of string operations (most are no longer used). 2 3 Warning: most of the code you see here isn't normally used nowadays. 4 Beginning with Python 1.6, many of these functions are implemented as 5 methods on the standard string object. They used...
a nice string representation of the object. | If the argument is a string, the return value is the same object. | | Method resolution order: | str | basestring | object | | Methods defined here: | | __add__(...) | x.__add__(y) <==> x+y | | __contains__(...) | x...
1.>>> str='stRINg lEArn' 2.>>> 3.>>> str.center(20) #生成20个字符长度,str排中间 4.' stRINg lEArn ' 5.>>> 6.>>> str.ljust(20) #str左对齐 7.'stRINg lEArn ' 8.>>> 9.>>> str.rjust(20) #str右对齐 10.' stRINg lEArn' 11.>>> 12.>>> str.zfill(20) #str右对齐,...
Python f-string last modified May 11, 2025 This Python f-string tutorial demonstrates how to format strings efficiently using f-strings, the preferred approach for string interpolation in modern Python. With f-strings, developers can create dynamic and readable output in a concise and intuitive ...
| __format__(...) | S.__format__(format_spec) -> string | | Return a formatted version of S as described by format_spec. | | __ge__(...) | x.__ge__(y) <==> x>=y | | __getattribute__(...) | x.__getattribute__('name') <==> #获取属性 ...
""" Return a copy of the string converted to lowercase. 返回转换为小写的字符串副本。""" pass def lstrip(self, *args, **kwargs): # real signature unknown """ Return a copy of the string with leading whitespace removed. If chars is given and not None, remove characters in chars instea...
>>>string='hello'>>>type(string)<class'str'> 双引号: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 >>>string="hello">>>type(string)<class'str'> 三引号: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 >>>string='''hello'''>>>type(string)<class'str'>>>string="""hello...
""" return "" def zfill(self, width): # real signature unknown; restored from __doc__ """ 原来字符右对齐,不够用0补齐 S.zfill(width) -> str Pad a numeric string S with zeros on the left, to fill a field of the specified width. The string S is never truncated. """ return "...
format(): 字符串格式化 >>>string="I am {0},age {1}">>>string.format('zenge',28)'I am zenge,age 28'还可以这样:>>>string="I am {ss},age {dd}">>>string.format(ss='zenge',dd=28)'I am zenge,age28’##第二种方法相比较于第一种方法好处是,传值的时候不需要按照顺序传 ...