libb.getitem

getitem(sequence, index, default=None)

Safe sequence indexing with default value

>>> getitem([1, 2, 3], 1)
2
>>> getitem([1, 2, 3], 10) is None
True
>>> getitem([1, 2, 3], -1)
3
>>> getitem([1, 2, 3], -100) is None
True