How do I merge two python iterators?

Question

I have two iterators, a list and an itertools.count object (i.e. an infinite value generator). I would like to merge these two into a resulting ite

Answer 1

You can do something that is almost exaclty what @Pramod first suggested.

def izipmerge(a, b):
  for i, j in itertools.izip(a,b):
    yield i
    yield j

The advantage of this approach is that you won't run out of memory if both a and b are infinite.