append
Consumes an item from the top of the stack and appends it to the list below it.
[ 2 4 6 ] 8 append → [ 2 4 6 8 ]
[] 1 append 2 append 3 append → [ 1 2 3 ]
[] [] append → [ [ ] ]
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appendConsumes an item from the top of the stack and appends it to the list below it.
[ 2 4 6 ] 8 append → [ 2 4 6 8 ]
[] 1 append 2 append 3 append → [ 1 2 3 ]
[] [] append → [ [ ] ]