keepends(optional) - it determines whether line breaks are included in the resulting list or not. It's value can beTrueor any number. splitlines() Return Value Thesplitlines()method returns: a list of lines in the string. If there are not line break characters, it returns a list with a...
and the result will contain no empty strings at the start or end if the string has leading or trailing whitespace. Consequently, splitting an empty string or a string consisting of just whitespace with a None separator returns []
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""#内容左对齐,右边用fillchar填充defljust(self, width, fillchar=None):#real signature unknown; restored from __doc__"""S.ljust(width[, fillchar]) -> st...
or the name of a keyword argument. Returns a copy of format_string where each replacement field is replaced with the string value of the corresponding argument.
With optional end, stop comparing S at that position. suffix can also be a tuple of strings to try. """ return False def expandtabs(self, tabsize=None): """ 将tab转换成空格,默认一个tab转换成8个空格 """ """ S.expandtabs([tabsize]) -> string Return a copy of S where all tab ...
Example Split the string, but keep the line breaks: txt = "Thank you for the music\nWelcome to the jungle"x = txt.splitlines(True) print(x) Try it Yourself » ❮ String Methods Track your progress - it's free! Log in Sign Up ...
By prefixing a string with f or F, you can embed expressions within curly braces ({}), which are evaluated at runtime. This makes f-strings faster and more readable compared to older approaches like the modulo (%) operator or the string .format() method. Additionally, f-strings support...
'replace', 'rfind', 'rindex', 'rjust', 'rpartition', 'rsplit', 'rstrip', 'split', 'splitlines', 'startswith', 'strip', 'swapcase', 'title', 'translate', 'upper', 'zfill'] Help on class str in module __builtin__: class str(basestring) | str(object='') -> string | | ...
str.startswith(substr, beg=0,end=len(string)) 检查字符串str是否是以指定子字符串 substr 开头,是则返回 True,否则返回 False。如果beg 和 end 指定值,则在指定范围内检查。 find(str, beg=0, end=len(string)) 检测str 是否包含在字符串中,如果指定范围 beg 和 end ,则检查是否包含在指定范围内,如果...
Return a list of the lines in the string, breaking at line boundaries. Line breaks are not included in the resulting list unless keepends is given and true. """ pass def startswith(self, prefix, start=None, end=None): # real signature unknown; restored from __doc__ ...