save project

diy2.py

@@ -6,11 +6,9 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-        :
-            name != username:
+    else: 
+        if name != username:
             print("用户名错误，请重新输入!")
-        
-        elif:
-            password != userpassword:
+        if password != userpassword:
             print("密码错误，请重新输入！")
 print("欢迎来到贝尔编程!")