def parseGBLoc(s, l, t):
    """retwingles parsed genbank location strings, assumes no joins of RC and FWD sequences """
    strand = 1
    locationlist = []
    for entry in t[0]:
        if entry == 'complement':
            strand = -1
    for entry in t[0]:
        if type(entry) != type('string'):
            locationlist.append([entry[0], entry[1]])
    return [['location', locationlist], ['strand', strand]]
