12 lines
300 B
Python
12 lines
300 B
Python
def flatten(iterable):
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if(iterable ==[] or iterable is None):
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return []
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r = []
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for i in iterable:
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if(type(i) is list):
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if(i is not None):
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r.extend(flatten(i))
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else:
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if(i is not None):
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r.append(i)
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return r |