Bubble sort

def sort_with_bubbles(lst):
    swap_occurred = True

    while swap_occurred:
        swap_occurred = False
        for i in range(len(lst) - 1):
            if lst[i] > lst[i + 1]:
             # The goal of the swap is to store a number to a temporary variable so that we can change that variable and preserve the value. To do that, we need to copy the list item to temp first:
                temp = lst[i]
                lst[i] = lst[i + 1]
                lst[i + 1] = temp

                swap_occurred = True
    return lst

print(sort_with_bubbles([5, 3, 1, 2, 4]))