save project

diy1.py

@@ -8,7 +8,10 @@ while True:
     if username==name and userpassword==password:
     if username==name and userpassword==password:
         print("登录成功")
         print("登录成功")
         break
         break
-    print("账号密码错误，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")
 print("欢迎来到贝尔编程")