for x,y in word1, word2 ?

[Paul Rubin]

ssecorp <circularfunc at gmail.com> writes:
> for x in y and for a in b:

  for x,a in zip(y,b): ...

or the iterator version:

  from itertools import izip
  for x,a in izip(y,b): ...

avoids allocating a list to iterate through.