asdf

asdf

test_array = [[1,2,[3]],4]
test_array2 = [[1,2,[3]],[[5,6,[[78]],4]]]
test_array3 = [[1,2,[3]],[[[4]]]]


def flatten(input_array):
  newArray = []
  if type(input_array) == type([]):
    for item in input_array:
      newArray.extend(flatten(item))
  else:
    return [input_array]
  return newArray

flatten(test_array)
flatten(test_array2)
flatten(test_array3)