In addition, we canaccess just a specific characteror aslice of charactersof a string. We might want to do this, for example, if we have a text that’s too long to display and we want to show just a portion of it. Or if we want to make an acronym by taking the first letter of...
7 8 Public module variables: 9 10 whitespace -- a string containing all characters considered whitespace 11 lowercase -- a string containing all characters considered lowercase letters 12 uppercase -- a string containing all characters considered uppercase letters 13 letters -- a string containing ...
expandtabs([tabsize]) -> string Return a copy of S where all tab characters are expanded using spaces. If tabsize is not given, a tab size of 8 characters is assumed. """ return "" def find(self, sub, start=None, end=None): """ 寻找子序列位置,如果没找到,返回 -1 """ """ ...
If chars is given and not None, remove characters in chars instead."""return""#把右边的chars截断defrstrip(self, chars=None):#real signature unknown; restored from __doc__"""S.rstrip([chars]) -> str Return a copy of the string S with trailing whitespace removed. If chars is given an...
76 """ 77 return False 78 79 def expandtabs(self, tabsize=None): 80 """ 将tab转换成空格,默认一个tab转换成8个空格 """ 81 """ 82 S.expandtabs([tabsize]) -> string 83 84 Return a copy of S where all tab characters are expanded using spaces. 85 If tabsize is not given, a ...
Return a copy of the string with leading whitespace removed. If chars is given and not None, remove characters in chars instead. 返回删除前导空格的字符串副本。 如果给出了chars而不是None,则删除chars中的字符。 """ pass def maketrans(self, *args, **kwargs): # real signature unknown ...
编码默认为sys.getdefaultencoding()。Errors默认为'strict'。 """ def capitalize(self, *args, **kwargs): # real signature unknown """ Return a capitalized version of the string. More specifically, make the first character have upper case and the rest lower case. """ pass def casefold(self...
If there are two arguments, they must be strings of equal length, and in the resulting dictionary, each character in x will be mapped to the character at the same position in y. If there is a third argument, it must be a string, whose characters will be mapped to None in the result...
S.expandtabs([tabsize]) -> string|| Return a copy of S where all tab characters are expan...
# A string can be treated like a list of characters "This is a string"[] # => 'T' # You can find the length of a string len("This is a string") # => 16 我们可以在字符串前面加上f表示格式操作,并且在格式操作当中也支持运算。不过要注意,只有Python3.6以上的版本支持f操作。