Python range but multiple points

range_complex.py

def range_complex(*points):
    my_list = []
    prev_point = None
    for point in points:
        if prev_point:
            if prev_point < point:
                my_list.extend(list(range(prev_point, point + 1)))
            else:
                my_list.extend(list(range(point, prev_point))[::-1])
        prev_point = point
    return my_list