BubbleSort - Hardened Wayv2

#second fixed edition

from multiprocessing import Process
import random
import math


def switch_item(a,b):
    return b,a
def bubble_sort(array):
    for i in range(len(array)-1,0,-1):
       for j in range(0, i):
               if array[j] > array[j+1]:
                   array[j], array[j+1] = switch_item(array[j], array[j+1])
                   #or     array[j], array[j+1] = array[j+1], array[j]

    print("Array sorted: ", array)
def rand_array():
    arrayofrand = list()
    temprand = 1.0
    for a in range(20):
        temprand = random.random()
        arrayofrand.append(math.floor(temprand*1000))
    return arrayofrand


if __name__ == '__main__':


    p = Process(target=bubble_sort, args=(rand_array(),))
    p.start()
    p.join()