code: def merge_cts_records(self, crypto_idfp, crypto_idfp_list):
          
          self.__merge_cts_times(crypto_idfp, crypto_idfp_list)
          self.__merge_cts_speeds(crypto_idfp, crypto_idfp_list)
          for i in crypto_idfp_list:
              k = '/uid2name/{}'.format(i)
              if k in self:
                  del self[k]
docs: Merge all CTS records (including speed) of each player in crypto_idfp_list with records of crypto_idfp
          :param crypto_idfp: Target player, who will now own all records of players in crypto_idfp_list
          :param crypto_idfp_list: List of crypto_idfp
          :return: