python基础

user_name = "张三"
pass_word = int("123456")
for name in range(3):
    username = input("用户姓名：")
    for pas in range(3):
        password = int(input("密码："))
        if user_name == username and pass_word == password:
            print("欢迎您的到来")
            break
        elif user_name != username and pass_word == password:
            print("您的用户错误")
        elif user_name == username and pass_word != password:
            print("您的密码错误")
        else:
            print("您的用户名或密码错误，请从新输入")
            break