ナポリタン

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def swap(swap_list, index_1, index_2):
    temp = swap_list[index_1]
    swap_list[index_1] = swap_list[index_2]
    swap_list[index_2] = temp

def sort_once(list_to_sort, num_flamingos_to_sort):
    for index in range(num_flamingos_to_sort):
        if list_to_sort[index].height > list_to_sort[index+1].height:
            swap(list_to_sort, index, index+1)

num_flamingos_to_sort = len(flamingos) - 1

for index in range(num_flamingos_to_sort):
    print(num_flamingos_to_sort - index)
    sort_once(flamingos, num_flamingos_to_sort)