快排排完是什么样

运行下面这段程序：

def qsort(a):
    if len(a) <= 1:
        return list(a)
    pivot = a[-1]
    less = [x for x in a[:-1] if x < pivot]
    more = [x for x in a[:-1] if x >= pivot]
    return qsort(less) + [pivot] + qsort(more)

print("/".join(str(x) for x in qsort([17, 24, 15, 13, 23])))