编辑代码

# coding:utf-8
#JSRUN引擎2.0,支持多达30种语言在线运行,全仿真在线交互输入输出。 
tmp_list = [9, 8, 7, 6, 5, 5, 5, 5, 4, 3, 2, 1]

def quick_sort(arr):
    if len(arr) <= 1:
        return arr
    
    # choice first/middle/last 
    pivot = arr[len(arr)//2]

    left = [x for x in arr if x < pivot]
    middle = [x for x in arr if x == pivot]
    right = [x for x in arr if x > pivot]

    return quick_sort(left) + middle + quick_sort(right)



print(quick_sort(tmp_list))