def find_overlapping_cds_simple(v_start, v_stop, cds_begins, strand):
    """
    Find overlapping CDS within an exon given a list of CDS starts
    """
    # cds_start = cds_begin[0]
    if strand == '+':
        return list(filter(lambda x: x[0] >= v_start and x[0] < v_stop, cds_begins))
    else:
        return list(filter(lambda x: x[0] > v_start and x[0] <= v_stop, cds_begins))