save project

diy1.py

@@ -9,6 +9,6 @@ while True:
     if username and password==userpassword:
         print("登录成功：")
         break    
-    if name!=password:
-    print('用户名和密码错误！请重新输入')
+    if username!=userpassword:
+        print('用户名和密码错误！请重新输入')
 print('欢迎来到贝尔编程')    
\ No newline at end of file