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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _get_operator_class_name(task_detail_type):
 """ Internal helper gets the name of the Airflow operator class. We maintain this in a map, so this method really returns the enum name, concatenated with the string "Operator". """

    # TODO(rajivpb): Rename this var correctly.
    task_type_to_operator_prefix_mapping = {
      'pydatalab.bq.execute': ('Execute',
                               'google.datalab.contrib.bigquery.operators._bq_execute_operator'),
      'pydatalab.bq.extract': ('Extract',
                               'google.datalab.contrib.bigquery.operators._bq_extract_operator'),
      'pydatalab.bq.load': ('Load', 'google.datalab.contrib.bigquery.operators._bq_load_operator'),
      'Bash': ('Bash', 'airflow.operators.bash_operator')
    }
    (operator_class_prefix, module) = task_type_to_operator_prefix_mapping.get(
        task_detail_type, (None, __name__))
    format_string = '{0}Operator'
    operator_class_name = format_string.format(operator_class_prefix)
    if operator_class_prefix is None:
      return format_string.format(task_detail_type), module
    return operator_class_name, module