def bubble_sort(bubble_list)
    len = len(bubble_list)
    while len > 0:  
        for i in range(len-1):
            if bubble_list[i] > bubble_list[i+1]:
                temp = bubble_list[i] + bubble_list[i+1]
                bubble_list[i] = temp -bubble_list[i]
                bubble_list[i+1] = temp -bubble_list[i]
        len -= 1
    return bubble_list 

if __name__='__main__ '
    bubble_sort([2,4,3])