Python02 grammar

The third day

• Python syntax
  • Code indentation
    • Block: distinguishing code scope
    • Indent: Python use 4个空格or 一个TAB键indentation

    • Example:

      if 12 < 16:
          print("12的值比16小！")
      print("我早就知道了")

  • Note: The program will not be executed, the code is to improve the reading experience to the people writing the code to see
    • Single-line comments: Use the #beginning number, followed by the # sign execution of the program content will be ignored

    • Examples of single-line comments:

        # 这是一段注释内容，程序不会执行，我只是想告诉其他编写/阅读代码的人，下面的代码是向屏幕打印输出 hello
        print("hello")

    • Results of the:
    • Multi-line comments - the single quotation marks (English): use '''多行注释内容'''or """多行注释内容"""can be multi-line

    • Examples of multi-line comments:

        '''
        这里是使用的多行注释
        Python代码执行时会
        忽略这段内容，哈哈哈
        '''
        print("Hello Python!!!")

    • Results of the: