language: python/python 3.6

for some reason my code outputs the print at the very end of code 3 times when I want it to do it only once. how would i do this?

array = [[1,3], [2,1], [3,5], [4,4], [5,2]]

def permutation_cycle(inserted_array, cycled_array): x = inserted_array[0][0] y = inserted_array[0][1] inserted_array.pop(0) cycled_array.append(x) loop(inserted_array, cycled_array, y, [])

def loop (array, cycled_array, search_node, single_cycles_array): array_length = len(array) for i in range(array_length): if array[i][0] == search_node:

cycled_array.append(array[i][0]) search_node = array[i][1] array.pop(i)

if len(array) == 0:

break else: if array[0][0] == array[0][1]: single_cycles_array.append(array[0]) array.pop(0) loop(array, cycled_array, search_node, single_cycles_array) print(cycled_array) print(single_cycles_array) break

if __name__ == '__main__': permutation_cycle(array, [])

output of code:

[[4, 4]] [1, 3, 5, 2] [[4, 4]] [1, 3, 5, 2] [[4, 4]] [1, 3, 5, 2] [[4, 4]]

desired output:

[1, 3, 5, 2] [[4, 4]]