the two strings are equivalent. The string is enclosed in double quotes if the string contains a single quote and no double quotes, otherwise it is enclosed in single
Python 也提供了可以通过几种不同方式表示的字符串。它们可以用单引号 ('...') 或双引号 ("...") 标识。\可以用来转义引号: >>>'spam eggs'#single quotes'spam eggs'>>>'doesn\'t'#use \' to escape the single quote..."doesn't">>>"doesn't"#...or use double quotes instead"doesn't">...
Strings are specified using single quotes①or double quotes②, as shown in the following code example. If a string contains a single quote, we mustbackslash-escape the quote③so Python knows a literal quote character is intended, or else put the string in double quotes②. Otherwise, the quot...
which must be a string of length 256 or None.| If the table argument is None, no translat...
Now you use double quotes for the f-string and single quotes for the dictionary key. Your code works now, but having to switch quotes can get annoying at times.The second limitation of f-strings is that you can’t use backslash characters in embedded expressions. Consider the following ...
我们知道Python以其易用性而著名，所以刚开始看教程学习看到单引号和双引号都可以使用会以为这是Python...
a backslash \ to insert characters that are illegal in a string txt = "my name is \"yxy\"!" \' single quote \" double quote \n new line \r carriage return(another term for return) \t tab \b backspace \f form feed ( formfeed: strA = "s{2}\ft{1}r{0}A" print(strA) the...
>>>'spam eggs'# single quotes'spam eggs'>>>'doesn\'t'# use \' to escape the single quote..."doesn't">>>"doesn't"#...or use double quotes instead"doesn't">>>'"Yes," he said.''"Yes," he said.'>>>"\"Yes,\" he said."'"Yes," he said.'>>>'"Isn\'t," she said...
Single character (accepts integer or single character string). 只接受 单个字符或数字 'r' String (converts any Python object using repr()). (5) 's' String (converts any Python object using str()). 任意字符串 (5) 'a' String (converts any Python object using ascii()). 把字符串串转换...
In a usual python string, the backslash is used to escape characters that may have a special meaning (like single-quote, double-quote, and the backslash itself). >>> "wt\"f" 'wt"f' In a raw string literal (as indicated by the prefix r), the backslashes pass themselves as is ...