from Dinosaour import pick

ps $=[\text{'}$short$\text{'},$ 'really long', 'tiny'$]$

s $=$ lambda p: len$($p$)<=5$

pick$($ps$,$ s$,0)$ # remember to put quotes $(\text{'}\text{'})$ around strings!

'short'

pick$($ps$,$ s$,1)$

'tiny'

pick$($ps$,$ s$,2)$