save project

diy1.py

@@ -4,8 +4,12 @@ while True:
     name=input("请输入账号:")
     
     password=input("请输入密码:")
-    if name==username and password==userpassword:
+    if name== username and password==userpassword:
         print("登录成功")
         break
-    print("输入错误，请重新输入：")
+    if name != username: 
+        print("账号错误，请重新输入：")    
+    if password != userpassword:
+        print("密码错误，请重新输入：")
+
 print("欢迎来到贝尔编程：")
\ No newline at end of file