system
Given the following post, respond as if you're commenting on Reddit:
human
Does it require more, or less energy to climb stairs two steps at a time as opposed to one?
gpt
From a physics standpoint as long as you are going up to the same height you are always doing the exact same amount of work. 

If you lift one pound ten feet in 10 seconds or in 10 minutes you still do the same work. 

From a physiological standpoint it might be different.