save project

diy2.py

@@ -5,9 +5,12 @@ while True:
     password = input("请输入密码:")
     if name == username and password == userpassword:
         print("登录成功!")
-        break   
-    if not name == username:
-        print("用户名错误!请重新输入")
-    if not password == userpassword:
-        print("密码错误!请重新输入")
+        break
+    if name != username and password != userpassword:
+        print("用户名,密码错误!请重新输入")
+    else:
+        if not name == username:
+            print("用户名错误!请重新输入")
+        if not 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