save project

diy1.py

@@ -8,5 +8,9 @@ while True:
     if username==name and userpassword==password:
     if username==name and userpassword==password:
         print("登陆成功")
         print("登陆成功")
         break
         break
+    if name!=username:
+        print("账号错误")
+    if password!=userpassword:
+        print("密码错误")
     print("登陆错误")
     print("登陆错误")
 print("欢迎来到贝尔")
 print("欢迎来到贝尔")
\ No newline at end of file