def sort_common_members():
    filename = PREFIX + '/common_members.json'
    sorted_json_data = {}
    json_data = read_json(filename)
    all_keys = []
    for key, value in json_data.items():
        all_keys.append(key)
    sorted_keys = sorted(all_keys)
    for key in sorted_keys:
        if len(json_data[key]) > 0:
            sorted_json_data[key] = sorted(json_data[key])
    print('--> Sorted/cleaned ' + os.path.basename(filename))
    write_json(sorted_json_data, filename)