code: def delete_media_service_rg(access_token, subscription_id, rgname, msname):
      '''Delete a media service.
  
      Args:
          access_token (str): A valid Azure authentication token.
          subscription_id (str): Azure subscription id.
          rgname (str): Azure resource group name.
          msname (str): Media service name.
  
      Returns:
          HTTP response.
      '''
      endpoint = ''.join([get_rm_endpoint(),
                          '/subscriptions/', subscription_id,
                          '/resourceGroups/', rgname,
                          '/providers/microsoft.media/mediaservices/', msname,
                          '?api-version=', MEDIA_API])
      return do_delete(endpoint, access_tokenf delete_media_service_rg(access_token, subscription_id, rgname, msname):
      '''Delete a media service.
  
      Args:
          access_token (str): A valid Azure authentication token.
          subscription_id (str): Azure subscription id.
          rgname (str): Azure resource group name.
          msname (str): Media service name.
  
      Returns:
          HTTP response.
      '''
      endpoint = ''.join([get_rm_endpoint(),
                          '/subscriptions/', subscription_id,
                          '/resourceGroups/', rgname,
                          '/providers/microsoft.media/mediaservices/', msname,
                          '?api-version=', MEDIA_API])
      return do_delete(endpoint, access_token)
docs: Delete a media service.
  
      Args:
          access_token (str): A valid Azure authentication token.
          subscription_id (str): Azure subscription id.
          rgname (str): Azure resource group name.
          msname (str): Media service name.
  
      Returns:
          HTTP response.