17 lines
565 B
Python
17 lines
565 B
Python
def flat_list(array):
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result = []
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for element in array:
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if isinstance(element, list):
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result += flat_list(element)
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else:
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result.append(element)
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return result
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if __name__ == '__main__':
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assert flat_list([1, 2, 3]) == [1, 2, 3], "First"
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assert flat_list([1, [2, 2, 2], 4]) == [1, 2, 2, 2, 4], "Second"
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assert flat_list([[[2]], [4, [5, 6, [6], 6, 6, 6], 7]]) == [2, 4, 5, 6, 6, 6, 6, 6, 7], "Third"
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assert flat_list([-1, [1, [-2], 1], -1]) == [-1, 1, -2, 1, -1], "Four"
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print('Done! Check it')
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