code: def get_channel_listing(self):
          
          teams = self.get('/teams')
          for team in teams:
              if team['name'].lower() == self.team:
                  channel_listing = self.get('/teams/' + team['id'] + '/channels')
                  return channel_listing
docs: This function takes in display_name of your team and gets the channel listing for that team.
          :param display_name:
          :return: