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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 _clean_cluster(list_c):
 """ Remove cluster with less than 10 sequences and loci with size smaller than 60% """

    global REMOVED
    init = len(list_c)
    list_c = {k: v for k, v in list_c.iteritems() if len(_get_seqs(v)) > parameters.min_seqs}
    logger.debug("_clean_cluster: number of clusters %s " % len(list_c.keys()))
    list_c = {k: _select_loci(v) for k, v in list_c.iteritems()}
    end = len(list_c)
    REMOVED += init - end
    return list_c