#29
Get the Caps
 
Difficulty:Easy
Topics: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"))
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(= (__ "$#A(*&987Zf") "AZ")


Code which fills in the blank: