Bubble sort implemented in Python 3

bubblesort.py

def bubblesort(list):
  swapped = True
  while swapped:
    swapped = False
    for p in range(len(list)-1):
      if list[p] > list[p+1]:
        list[p] = list[p] ^ list[p+1]
        list[p+1] = list[p] ^ list[p+1]
        list[p] = list[p] ^ list[p+1]
        swapped = True

if __name__ == '__main__':
  from sys import argv
  from random import shuffle

  list = list(range(int(argv[1])))
  shuffle(list)
  bubblesort(list)
  print(all(list[i] <= list[i+1] for i in range(len(list)-1)))