In computer science, a pop is an action which removes the initial element from the top of a queue or stack, turning
the list (
,
, ..., 
) into (
,
..., 
) and returns the removed element 
.
Pop
See also
Push, StackExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Pop." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Pop.html