save project

diy1.py

@@ -7,9 +7,10 @@ while True:
     if name != username:
         print("用户名不存在！")
         continue
-    password = input("请输入密码！")
+   
     if password != userpassword:
         print("密码不存在！")
+        exit
     if name == username and password == userpassword:
         print("输入正确！")
         break