auto save

biy.py

-i = 3
-username = "python"
-userpassword = "123456"
-while True:
-    if i>0:
-        name = input("请输入用户名：")
-        password = input("请输入密码:")
-        i -= 1
-        if name == username and password==userpassword:
-            print("登录成功")
-            break
-        if nam != username:
-            print("用户名错误，请重新输入")
-            print("温馨提示：你还有"+str(i)+"次登录机会")
-            continue
-        if password != userpassword:
-            print("密码错误，请重新输入")
-            print("温馨提示：你还有"+str(i)+"次登录机会")
-    else:
-        print("你的账户已被锁定，请一个小时后在来")
-        exit()
-print("欢迎来到贝尔程序")
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