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  • day3----输出之格式化输出

    格式化输出

    • 1、%s、%d

      %s:可以接收任意类型的变量

      %d:只能接收数字类型

      按照传递顺序,传值

    • 2.  .format

    • 3.-string     #python3.6以后才有的特性

    • #格式: my name is Nick, my age is 18.          %s的使用方法
      name = input('请输入姓名:')
      age = input('请输入年龄:')
      print('my name is %s, my age is %s.'%(name, age)) 
    • print("He is %d years old."%(18))  # %d 打印整数
      print("His height is  %f m."%(1.85))   # %f 打印浮点数
      print("His height is  %.2f m."%(1.85))   # %.2f 打印浮点数保留2位小数
      print("Name:%10s Age:%4d Height:%6.2f"%("Nick", 18, 1.85))  # 指定占位符宽度
      print("Name:%-10s Age:%-4d Height:%-6.2f"%("Nick", 18, 1.85))  # 指定占位符宽度(左对齐)
      print("my name is {},my age is {}.".format("Nick", 18))  #一一对应传值
      print("my name is {name},my age is {age}.".format(age=18, name="Nick"))  #根据参数传值
      
      name = "Nick"
      age = 18
      print(f"His name is {name},my age is {age}.")  #f-string
      print(F"my name is {name},my age is {age}.")   #F大写F也可以
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  • 原文地址:https://www.cnblogs.com/lishuangjian/p/11783136.html
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