Python 练习1

发布时间：2019-08-16 10:57:15编辑：auto阅读（2940）

    #!/usr/bin/env python
    #codingutf-8
    count = 0
    while count < 3:
        username = raw_input("USERNAME:")
        password = raw_input("PASSWORD:")
        if username == "user" and password == "123":
            print "welcome!!!"
                break
        elif     username != "user" and password != "123":
            print "username or password wrong!!!"
            elif username == "user" and password != "123":
            print "password is wrong!!!"
            elif username != "user" and password == "123":
            print "username or password is wrong!!!"
            count +=1
            if count == 3:
            print "go away ang don't back!!!"

    wKiom1lUgfeT6pydAAHpyiXhuUo520.png

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