Skip to main content

You are not logged in. Your edit will be placed in a queue until it is peer reviewed.

We welcome edits that make the post easier to understand and more valuable for readers. Because community members review edits, please try to make the post substantially better than how you found it, for example, by fixing grammar or adding additional resources and hyperlinks.

1
  • 2
    In Python 2, do an import itertools first, and then use itertools.izip instead of zip. Otherwise it will read both files to memory, possibly using too much memory. Commented Apr 19, 2019 at 12:13