save project

diy1.py

@@ -6,5 +6,8 @@ while True:
     if name == username and password == userpassword:
     if name == username and password == userpassword:
         print("登录成功！")
         print("登录成功！")
         break
         break
-    print("用户名和密码错误！请重新输入。")
+    if name != username:
+        print("用户名错误！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！")
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