1. python-内建函数-拼接函数join

  • join()函数: 将序号中的元素以指定的字符串连接,生成一个新的字符串。

  • 示例:

    • 示例1:拼接字符串

      s = "lizhenliang"
      r = '.'.join(s)
      print(r)
      
    • 示例2:拼接序列

      computer = ["主机","显示器","鼠标","键盘"]
      r = ','.join(computer)
      print(r)
      

2. 拼接函数案例

  • 拼接函数案例

    #!/usr/bin/env python3
    # _*_ coding: utf-8 _*_
    # Author:shichao
    # File: .py
    
    # 原有拼接使用"+"
    s = "zhangsan"
    for i in s:
        print(i + ".",end="")   # 默认是要换行的加了/n,我们传一个end进去,不换行
    
    
    print("\n ----")
    
    
    
    # 使用内建函数,拼接函数join
    a = "zhangsan"
    r = '.'.join(a)
    print(r)
    
    
    
    # 序列
    
    computer = ["主机","显示器","鼠标","键盘"]
    r = ','.join(computer)
    print(r)