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Python - 基础知识 - 条件判断

时间:2015-10-24 15:31:54      阅读:299      评论:0      收藏:0      [点我收藏+]

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

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

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