def group(iterator, count):
itr = iter(iterator)
while True:
yield tuple([itr.next() for i in range(count)])
>>> group([0, 1, 2, 3, 4, 5, 6, 7, 8, 9], 2)
<generator object at 0xb7debcac>
>>> list(_)
[(0, 1), (2, 3), (4, 5), (6, 7), (8, 9)]
>>> list(group([0, 1, 2, 3, 4, 5, 6], 2))
[(0, 1), (2, 3), (4, 5)]
>>> dataset = ['Nausori', 5, True, 'Namadi', 10, True, 'Lautoka', 8, False, 'Suva', 3, True]
>>> for place, value, truth in group(dataset, 3):
... if truth:
... print '%s: %s' % (place, value)
...
Nausori: 5
Namadi: 10
Suva: 3
