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Flatten a List solution in Clear category for Flatten a List by bozhenkomv1
def flat_list(array):
A = []
for x in array:
if type(x)==list:
A.extend(flat_list(x))
else:
A.append(x)
return A
if __name__ == '__main__':
assert flat_list([1, 2, 3]) == [1, 2, 3], "First"
assert flat_list([1, [2, 2, 2], 4]) == [1, 2, 2, 2, 4], "Second"
assert flat_list([[[2]], [4, [5, 6, [6], 6, 6, 6], 7]]) == [2, 4, 5, 6, 6, 6, 6, 6, 7], "Third"
assert flat_list([-1, [1, [-2], 1], -1]) == [-1, 1, -2, 1, -1], "Four"
print('Done! Check it')
Jan. 12, 2022
