14 lines
338 B
Python
14 lines
338 B
Python
from types import NoneType
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def flatten(iterable) -> list:
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flatten_array: list = []
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for item in iterable:
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if isinstance(item, list):
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flatten_array.extend(flatten(item))
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elif isinstance(item, NoneType):
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continue
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else:
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flatten_array.append(item)
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return flatten_array
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