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Python - 基础知识 - 条件判断

时间:2015-10-24 15:32:25      阅读:191      评论:0      收藏:0      [点我收藏+]

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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

 

Python - 基础知识 - 条件判断

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

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