Python's f-strings provide a readable way to interpolate and format strings. They're readable, concise, and less prone to error than traditional string interpolation and formatting tools, such as the .format() method and the modulo operator (%). F-string
The following example shows how to escape certain characters in f-strings. main.py #!/usr/bin/python print(f'Python uses {{}} to evaluate variables in f-strings') print(f'This was a \'great\' film') To escape a curly bracket, we double the character. A single quote is escaped wit...
Python f-string escaping characters The following example shows how to escape certain charactersinf-strings. escaping.py#!/usr/bin/pythonprint(f'Python uses {{}} to evaludate variables in f-strings')print(f'This was a \'great\' film') To escape a curly bracket, we double the character....
>>>'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...
re.escape(pattern) 转义pattern 中的特殊字符。如果你想对任意可能包含正则表达式元字符的文本字符串进行匹配,它就是有用的。比如 >>> 代码语言:javascript 代码运行次数:0 运行 AI代码解释 >>> print(re.escape('http://www.python.org')) http://www\.python\.org >>> legal_chars = string.ascii...
"# A triple quote stringtriple_quote='''aaa'''# Also a triple quote stringanother_triple_quote="""Welcome to the Python programming language. Ready, 1, 2, 3, Go!"""# Using the str() functionstring_function=str(123.45)# str() converts float data type to string data type# Another ...
another_triple_quote ="""Welcome to the Python programming language. Ready, 1, 2, 3, Go!""" # Using the str function string_function = str(123.45)# str converts float data type to string data type # Another str function another_string_function = str(True)# str converts a boolean da...
You can concatenate ordinary characters, so lastmatches the string 'last'. (In the rest of this section, we’ll write RE’s in thisspecialstyle, usually without quotes, and strings to be matched 'insinglequotes'.) 某些字符,如'|'或'(',是特殊的。特殊字符不是代表的普通字符类,或会影响...
** Alt 键在大多数键盘上被定义为 Escape 键*因此,举例来说,如果你想移动一行文本,把你的光标移到行首。按 Ctrl 和空格键;窗口左下角的状态文本将显示“标记已激活”然后,使用 Ctrl 和“e”将光标移动到行尾。状态文本将消失。现在,通过按 Ctrl+w 剪切选定的文本,将光标移动到要粘贴它的位置,然后按 Ctrl...
In this example, the backslash (\) before each single quote signals to Python that the following single quote is part of the string, not its closing delimiter. This allows the entire quote to be printed correctly. Using the Escape Character for Double Quotes ...