code: def db_insert_record(self, table_name, columns):
          
          bindings = ('?,' * len(columns)).strip(',')
          values = [None] * len(columns)
          sql = 'INSERT INTO {} ({}) VALUES ({})'.format(table_name, ', '.join(columns), bindings)
          cur = self.db_conn.cursor()
          cur.execute(sql, values)
docs: Insert records into DB.
  
          Args:
              table_name (str): The name of the table.
              columns (list): List of columns for insert statement.