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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 taskotron_task(config, message, task=None):
 """ Particular taskotron task With this rule, you can limit messages to only those of particular `taskotron <https://taskotron.fedoraproject.org/>`_ task. You can specify several tasks by separating them with a comma ',', i.e.: ``dist.depcheck,dist.rpmlint``. """


    # We only operate on taskotron messages, first off.
    if not taskotron_result_new(config, message):
        return False

    if not task:
        return False

    tasks = [item.strip().lower() for item in task.split(',')]
    return message['msg']['task'].get('name').lower() in tasks