Python写快速排序

我可以用Python给出一个快速排序的示例：def quickSort(arr):
if len(arr) <= 1:
return arr
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 quickSort(left) + middle + quickSort(right)