my

@animals

'camel'

'vicuña'

'llama'

say

"The zoo contains "

@animals

elems

" animals"

say

"The animals are: "

@animals

say

"I will adopt an owl for the zoo"

@animals

push

"owl"

say

"Now my zoo has: "

@animals

say

"The first animal we adopted was the "

@animals

0

@animals

pop

say

"Unfortunately the owl got away and we're left with: "

@animals

say

"We're closing the zoo and keeping one animal only"

say

"We're going to let go: "

@animals

splice

1

2

" and keep the "

@animals