import time def bubble_sort(unsorted): for i in range(len(unsorted)-1): for j in range(len(unsorted)-i-1): if unsorted[j] > unsorted[j+1]: unsorted[j],unsorted[j+1] = unsorted[j+1],unsorted[j] return int(time.time()*1000) startTime = int(time.time()*1000) array = [] insideInt = 1000000 for i in range(10000): array.append(insideInt-i*3) stopTime = bubble_sort(array) print("Use Time = ",stopTime-startTime)