Re: [Tutor] Group sequence pairwise

[Justin Ezequiel]

>>> a = list('asdfg')
>>> map(None, a[::2], a[1::2])
[('a', 's'), ('d', 'f'), ('g', None)]
>>> a = list('asdfgh')
>>> map(None, a[::2], a[1::2])
[('a', 's'), ('d', 'f'), ('g', 'h')]
>>>
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