标准格式说明符的一般形式如下: format_spec ::= [[fill]align][sign]["z"]["#"]["0"][width][grouping_option]["."precision][type] fill ::= <anycharacter> align ::="<"|">"|"="|"^"sign ::="+"|"-"|" "width ::= digit+ grouping_option ::="_"|","precision ::= digit+ty...
Return a copy of the string s with trailing whitespace removed. If chars is given and not None, remove characters in chars instead. """ return s.rstrip(chars) # Split a string into a list of space/tab-separated words def split(s, sep=None, maxsplit=-1): """split(s [,sep [,max...
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...
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...
# 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 ...
In build_student_report(), you create a dictionary with the required data to build the student report. Next, you interpolate the data into the report template using .format() with the dictionary as an argument. Note that to fill the string templates, you use the ** operator to unpack ...