S.ljust(width[, fillchar]) -> string Return S left-justified in a string of length width. Padding is done using the specified fill character (default is a space). """ return "" def lower(self): """ 变小写 """ """ S.lower() -> string Return a copy of the string S converted...
Return a copy of the string left filled with ASCII '0' digits to make a string of length width. A leading sign prefix ('+'/'-') is handled by inserting the padding after the sign character rather than before. The original string is returned if width is less than or equal to len(s...
element_index ::= digit+ | index_string index_string ::= <any source character except "]"> + conversion ::= "r" | "s" | "a" format_spec ::= <described in the next section> 1. 2. 3. 4. 5. 6. 7. 8. 在不太正式的术语中,替换字段 可以以field_name开头,该字段指定要将其值...
string.title( )The title()方法会将给定字符串的所有的第一个字母转换为大写。 语法string.title() 例子 8. ljust( ) 和 rjust( ) ljust()方法会使用一个指定的字符返回给定字符串的左对齐版本,默认为空格。rjust()方法将字符串对齐到右边。 语法string.rjust/ljust(length, character) length: 要返回的...
capitalize() -> string Return a copy of the string S with only its first character capitalized. """ return "" def center(self, width, fillchar=None): """ 内容居中,width:总长度;fillchar:空白处填充内容,默认无 """ """ S.center(width[, fillchar]) -> string Return S centered in a...
# Left-align with dots print(f"{title:.<30}") # Numbers can use custom fill characters too number = 42 print(f"{number:#>10}") The syntax is{value:fill_char align width}, where fill_char is any single character, align is one of^(center),>(right), or<(left), and width is ...
test="Python Programming"print("String: ",test)# First one character first_character=test[:1]print("First Character: ",first_character)# Last one character last_character=test[-1:]print("Last Character: ",last_character)# Everything except the first one character except_first=test[1:]print...
Return S centered in a string of length width. Padding is done using the specified fill character (default is a space) """ # width 指定字符串的长度,fillchar指定 # 返回S,以长度为宽度的字符串为中心。 填充为使用指定的填充字符完成(默认为空格) ...
1. replace法 利用replace函数，对于字符串中的三个字符进行多次替换，不需要导入其它的包，可以一次替换...
S.center(width[,fillchar])->str 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__...