code: def db_update_record(self, table_name, column, value):
          
          sql = 'UPDATE {} SET {} = \'{}\''.format(table_name, column, value)
          cur = self.db_conn.cursor()
          cur.execute(sql)
docs: Insert records into DB.
  
          Args:
              table_name (str): The name of the table.
              column (str): The column name in which the value is to be updated.
              value (str): The value to update in the column.