def selection_sort(a_list):
    """Selection Sort algortihm."""
    pass


def main():
    a_list = [54, 26, 93, 17, 77, 31, 44, 55, 20]
    print('a_list: {}'.format(a_list))
    print('By selection sort: ')
    # selection_sort(a_list)
    # print(a_list)


if __name__ == '__main__':
    main()

Add selection sort