判断题

下面的Python代码实现如果对一维list【形如:[32,12,32,13,42,1],而不是[(1,3),(3,1),(321,321),(32,13)]】进行快速排序,该排序是稳定排序。(    )

def qSort(arr):
	if len(arr) <= 1:
		return arr
	pivot = arr[len(arr) // 2]
	left, middle, right = [], [], []
	for num in arr:
		if num < pivot:
			left.append(num)
		elif num > pivot:
			right.append(num)
		else:
			middle.append(num)

return qSort(left) + middle + qSort(right)
A 正确
B 错误
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