#29
Get the Caps
 

Difficulty:N/A
Topics:easy strings


Write a function which takes a string and returns a new string containing only the capital letters.
test not run
(= (__ "HeLlO, WoRlD!") "HLOWRD")
test not run
(empty? (__ "nothing"))
test not run
(= (__ "$#A(*&987Zf") "AZ")


Code which fills in the blank: