code: def copy_channel(self, channel, owner, to_channel):
          '''
          Tag all files in channel <channel> also as channel <to_channel> 
          
          :param channel: channel to copy
          :param owner: Perform this operation on all packages of this user
          :param to_channel: Destination name (may be a channel that already exists)
          
          '''
          url = '%s/channels/%s/%s/copy/%s' % (self.domain, owner, channel, to_channel)
          res = self.session.post(url)
          self._check_response(res, [201]f copy_channel(self, channel, owner, to_channel):
          '''
          Tag all files in channel <channel> also as channel <to_channel> 
          
          :param channel: channel to copy
          :param owner: Perform this operation on all packages of this user
          :param to_channel: Destination name (may be a channel that already exists)
          
          '''
          url = '%s/channels/%s/%s/copy/%s' % (self.domain, owner, channel, to_channel)
          res = self.session.post(url)
          self._check_response(res, [201])
docs: Tag all files in channel <channel> also as channel <to_channel> 
          
          :param channel: channel to copy
          :param owner: Perform this operation on all packages of this user
          :param to_channel: Destination name (may be a channel that already exists)