save project

diy2.py

-username = "python"
-userpassword = "123456"
-i=3
-while True:
-    i-=1
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
-    if name != username:
-       input("请重输入用户名:")
-          
-    elif password != userpassword:
-        input("请重输入密码:")
-        
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+i
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