def find_distance(a, b, c):
    """Determine if distance between three ints is equal
    assuming unsorted entries"""

    int_holder = [a, b, c]
    int_holder.sort()

    distance_1 = int_holder[1] - int_holder[0]
    distance_2 = int_holder[2] - int_holder[1]
    if distance_1 == distance_2:
        return 'They are equally spaced'
    return None