1 import random 2 def bubblesort(data): 3     for i in range(len(data)-1,1,-1): 4         change=True 5         for j in range(0,i): 6             if data[j] > data[j+1]: 7                 data[j],data[j+1]=data[j+1],data[j] 8                 change=False 9         if change:10             break11 12 data=[random.randint(1,1000) for i in range(1000)]13 PRint(data)14 bubblesort(data)15 print(data)