On 2014-06-22 19:03, pyt...@bdurham.com wrote:
Should I have any performance concerns with the index position used
to pop() values off of large lists?

In other words, should pop(0) and pop() be time equivalent operations
 with long lists?

When an item is popped from a list, all of the later items (they are
actually references to each item) are moved down. Therefore, popping
the last item is fast, but popping the first item is slow.

If you want to pop efficiently from both ends, then a deque is the
correct choice of container.

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