save project

diy2.py

@@ -4,7 +4,7 @@ userpassword = "123456"
 while True: 
     name = input("请输入用户名:")
     password = input("请输入密码:")
-    i-=i
+    i-=1
     if i>0:
         if name == username and password == userpassword:
             print("登录成功!")