kopia lustrzana https://github.com/inkstitch/inkstitch
16 wiersze
409 B
Python
16 wiersze
409 B
Python
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from random import randrange
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def poprandom(sequence):
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index = randrange(len(sequence))
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item = sequence[index]
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# It's O(1) to pop the last item, and O(n) to pop any other item. So we'll
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# always pop the last item and put it in the slot vacated by the item we're
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# popping.
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last_item = sequence.pop()
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if index < len(sequence):
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sequence[index] = last_item
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return item
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