code: def update_db(self, giver, receiverkarma):
          
  
          for receiver in receiverkarma:
              if receiver != giver:
                  urow = KarmaStatsTable(
                      ude(giver), ude(receiver), receiverkarma[receiver])
                  self.db.session.add(urow)
          self.db.session.commit()
docs: Record a the giver of karma, the receiver of karma, and the karma
          amount. Typically the count will be 1, but it can be any positive or
          negative integer.