bbsort.py

def bubble_sort(l):
    for i in range(len(l)):
        border = len(l)-i-1
        for j in range(border):
            if l[j] > l[j+1]:
                l[j], l[j+1] = l[j+1], l[j]
    return l
 
import random
l = [random.randint(1, 20) for _ in range(20)]
print(bubble_sort(l))