code: def items(self):
          
          query = "SELECT {}, {} from {}".format(
              self.__key__, self.__value__, self.__tablename__
          )
          connection = sqlite3.connect(self.sqlite_file)
          cursor = connection.cursor()
          cursor.execute(query)
          r = []
          for key, value in cursor.fetchall():
              r.append((key, value))
          return r
docs: returns all items off the store as tuples