class Solution: def MySort(self , arr: List[int]) -> List[int]: 1. 冒泡排序 for i in range(len(arr)-1): for j in range(i+1,len(arr)): if arr[i] > arr[j]: arr[i],arr[j] = arr[j],arr[i] return arr 2. 快速排序 def quick_sort(sta...