run:
/nThe original list of Words...
lizard
hippopotamus
monkey
giraffe
jaguar
cheeta
elephant
penguine
iguanna
walrus
shark
dolphin
seal
turtle
sealion
>>>help
HELP - display a menu of commands
DISPLAY - display the list of numbers
PRINT - display a number(FIRST; LAST; nth)
SWAP - exchange two elements (nth; mth)
ADD - add a word to the list (FIRST;LAST)
EXIT - terminate execution of the program
>>>add first apple
>>>display
apple
lizard
hippopotamus
monkey
giraffe
jaguar
cheeta
elephant
penguine
iguanna
walrus
shark
dolphin
seal
turtle
sealion
>>>