python 常用方法笔记

Type	方法名称	使用案例	备注信息
	str.capitalize(self) #首字母大写	In [1]: str="konglingchao" In [2]: v=str.capitalize() In [3]: print(v) Konglingchao	def capitalize(self): # real signature unknown; restored from __doc__ """ B.capitalize() -> copy of B Return a copy of B with only its first character capitalized (ASCII) and the rest lower-cased. """ pass
	str.casefold(self) #可对未知字符进行相应的大小写转换 str.lower(self)	In [19]: str="KongLingChao" In [20]: v=str.casefold() In [21]: print(v) konglingchao In [22]: v=str.lower() In [23]: print(v) konglingchao	def casefold(self): # real signature unknown; restored from __doc__ """ S.casefold() -> str Return a version of S suitable for caseless comparisons. """ return ""
			def center(self, width, fillchar=None): # real signature unknown; restored from __doc__ """ S.center(width[, fillchar]) -> str Return S centered in a string of length width. Padding is done using the specified fill character (default is a space) """ return ""