Yields tuples containing a value from each iterator. The iterator will have
the same length as iter1. If iter1 is longer than iter2, the second
value of the tuple will be undefined. If iter2 is longer than iter1, the
remaining values in iter2 will be ignored.
Yields tuples containing a value from each iterator. The iterator will have the same length as
iter1. Ifiter1is longer thaniter2, the second value of the tuple will be undefined. Ifiter2is longer thaniter1, the remaining values initer2will be ignored.