def atrasoMedioAeroporto (tabelaEstatisticas, tabelaNomesAeroportos):
    """
    """
    print "loool"
    with open(tabelaEstatisticas, 'rU') as stat_csv, open(tabelaNomesAeroportos, 'rU') as dest_csv:
        stat_reader = list(csv.DictReader(stat_csv))
        dest_reader = list(csv.DictReader(dest_csv))
        id_dict = {elem['AIRLINE_ID']: [] for elem in stat_reader}
        for line in stat_reader:
            if line['ARR_DELAY_NEW'] != '':
                id_dict[line['AIRLINE_ID']].append(line["ARR_DELAY_NEW"])
        for elem in id_dict:
            print elem
            #for linha in dest_reader:
             #   if linha[0] == elem:
              #      id_dict[linha[1]] = id_dict.pop(elem)
    print id_dict