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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 fetch_group(group_id, failures=True, wait=0, count=None, cached=Conf.CACHED):
 """ Return a list of Tasks for a task group. :param str group_id: the group id :param bool failures: set to False to exclude failures :param bool cached: run this against the cache backend :return: list of Tasks """

    if cached:
        return fetch_group_cached(group_id, failures, wait, count)
    start = time()
    if count:
        while True:
            if count_group(group_id) == count or wait and (time() - start) * 1000 >= wait >= 0:
                break
            sleep(0.01)
    while True:
        r = Task.get_task_group(group_id, failures)
        if r:
            return r
        if (time() - start) * 1000 >= wait >= 0:
            break
        sleep(0.01)