save project

diy2.py

@@ -6,8 +6,8 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    print("用户名和密码错误!请重新输入")
-    continue
-  if password!=userpassword:
-    print("用户名和密码错误!请重新输入")
+    elif  name != username:
+        print("用户名错误,请重新输入!")
+    else:
+        print("密码输入有误,请重新输入!")
 print("欢迎来到贝尔编程!")
\ No newline at end of file