python练习题

发布时间：2019-08-17 08:48:55编辑：auto阅读（2027）

    #################

    ############

    userername = raw_input("USERNAME:")

    password = raw_input("PASSWORD:")

    if username == "user" and password == "123":

      print "welcome"

      break

    elif username != "user" and password != "123":

      print "username and password mistakes"

    elife username == "user" and password != "123":

      print "password mistakes"

    elife username != "user" and password == "123":

      print "username mistakes"

                                                        

    wKiom1lU1J-AHmIWAAFJu7CiemI857.png

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