multiline_text = """This is a multi-line string. Isn't it cool?""" print(multiline_text) 2.5 字符串与字符串字面量 Python 3.6引入了字符串字面量,允许在字符串中使用反斜杠\和花括号{}进行模板化,这在编写代码时更易读: name = "Alice" greeting = f"Hello, {name}!" # 输出: Hello, Al...
This is amultiline string: usage="""Welcome to stopwatch!This script counts slowly upward,one second per tick.This script does not accept command-line arguments.""" These triple quotes ("""...""") tell Python that we're making a string that might span over multiple lines of code. So...
Multiline Strings You can assign a multiline string to a variable by using three quotes: ExampleGet your own Python Server You can use three double quotes: a ="""Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt...
MULTILINE) # 在文本中搜索匹配模式的所有位置 text = 'Hello World\nhello there\nHi, hello!' matches = pattern.findall(text) # 输出匹配结果 for match in matches: print('匹配成功:', match) 匹配成功: Hello 匹配成功: hello 匹配成功: hello 正则表达式语法 字面字符(Literal Characters): 字面字符...
“F-strings provide a way to embed expressions inside string literals, using a minimal syntax. It should be noted that an f-string is really an expression evaluated at run time, not a constant value. In Python source code, an f-string is a literal string, prefixed with f, which contain...
Python also supports a raw string literal that turns off the backslash escape mechanism (such string literals start with the letter r), as well as Unicode string support that supports internationalization. In 3.0, the basic str string type handles Unicode too (which makes sense, given that ASCII...
File "main.py", line 2 return "This is a test basestring SyntaxError: EOL while scanning string literal ...Program finished with exit code 1 Press ENTER to exit the console 1. 2. 3. 4. 5. 6. 7. 8. 9. Now the above code contains one error and the error is that the return in...
String interpolation in Python involves embedding variables and expressions into strings. You create an f-string in Python by prepending a string literal with an f or F and using curly braces to include variables or expressions. You can use variables in Python’s .format() method by placing ...
MySQLdb.escape_string('str') 针对mysql的字符转义函数 MySQLdb.DateFromTicks(1395842548) 把时间戳转为datetime.date对象实例 MySQLdb.TimestampFromTicks(1395842548) 把时间戳转为datetime.datetime对象实例 MySQLdb.string_literal('str') 字符转义 MySQLdb.cursor()游标对象上的方法:《python核心编程》P624 stri...
This recipe’s code takes a multiline string and adds or removes leading spaces on each line so that the indentation level of each line of the block matches some absolute number of spaces. For example: >>> x = """line one ... line two ... and line three ... """ >>> print...