Adding left padding to a string means adding a given character at the start of a string to make it of the specified length. Left padding, outside of simple formatting and alignment reasons can be really useful
Padding is done using the specified fill character (default is a space). 返回长度为width的左对齐字符串。 使用指定的填充字符(默认为空格)填充。 """ pass def lower(self, *args, **kwargs): # real signature unknown """ Return a copy of the string converted to lowercase. 返回转换为小写的...
fillchar]) -> string|| Return S centered in a string of length width. Padding is| done...
print(s.capitalize()) # Capitalize a string; prints "Hello" print(s.upper()) # Convert a string to uppercase; prints "HELLO" print(s.rjust(7)) # Right-justify a string, padding with spaces; prints " hello" print(s.center(7)) # Center a string, padding with spaces; prints " he...
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 """ """ ...
Return a copy of the string where all tab characters are replaced by one or more spaces, depending on the current column and the given tab size. The column number is reset to zero after each newline occurring in the string. If tabsize is not given, a tab size of 8 characters is assu...
268 """ 269 return 0 270 271 def rjust(self, width, fillchar=None): 272 """ 273 S.rjust(width[, fillchar]) -> string 274 275 Return S right-justified in a string of length width. Padding is 276 done using the specified fill character (default is a space) 277 """ 278 ...
Return S centered in a string of length width. Padding is done using the specified fill character (default is a space) 示例: >>> s = 'hello world' >>> s.center(30,'*') '***hello world***' ljust 返回长度为 width 的字符串,原字符串左对齐,后面填充fillchar 返回一个原字符串左对齐...
7 string拥有这许多有用的方法。如下：s = "hello"print(s.capitalize()) # Capitalize a string; prints "Hello"print(s.upper()) # Convert a string to uppercase; prints "HELLO"print(s.rjust(7)) # Right-justify a string, padding with spaces; prints " hello"print(s.center(7)) ...
ReturnScenteredinastringoflengthwidth.Paddingis doneusingthespecifiedfillcharacter(defaultisaspace)(返回年代集中在一个字符串的长度宽度。填充使用指定的填充字符(默认是一个空间)) """ return"" defcount(self,sub,start=None,end=None):#realsignatureunknown;restoredfrom__doc__ ...