auto save

diy1.py

-i=3
-username = "python"
-userpassword = "123456"
-while True:
-    if i>0:
-        name = input("asd:")
-        password = input("498620:")
-        i-=1
-        if name == username and password == userpassword:
-            print("登录成功!")
-            break
-        if name != username:
-            print("用户名不存在,请重新输入!")
-        
-            continue
-        if password != userpassword:
-            print("用户名不存在,请重新输入!")
-        if name != userpassword
-            print("用户名错误，请重新输入！")
-            continue
-        if password !=userpassword
-            print("密码输入错误，请重新输入！")
-    else:
-        print("你的账户已被锁定，请带着身份证来我司解锁")
-print("欢迎来到贝尔编程!")
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