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  • Python编程-基础知识-条件判断

    1. 简单的if/else条件判断

    judge_flow.py

    name = input("Please input name: ")
    if name == 'master':
        print('Hello Master')
        password = input('Please input password: ')
        if password == 'abc123':
            print('Access granted.')
        else:
            print('Wrong password!')
    else:
        print('Invalid user!')

    运行结果:

    Please input name: david
    Invalid user!

    Please input name: master
    Hello Master
    Please input password: aaa
    Wrong password!

    Please input name: master
    Hello Master
    Please input password: abc123
    Access granted.

    2. 多项条件判断

        elif statements

    judge_flow_multiple.py

    age = int(input("Input your age: "))
    if age < 5:
        print('Hi, Baby.')
    elif age < 12:
        print('Hi Child.')
    elif age < 100:
        print('Hi Man')
    else:
        print('Your Majesty')

    运行结果:

    Input your age: 3
    Hi, Baby.

    Input your age: 90
    Hi Man

    Input your age: 1000
    Your Majesty

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  • 原文地址:https://www.cnblogs.com/davidgu/p/4906832.html
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