Please help with problem #30

[Gary Hudson]

Hi I'm really learning a lot from these exercises. But I'm stuck on #30. When I run the following using lien repl, it seems to work fine...

user=> (= (apply str (dedupe "Leeeeeerrroyyy")) "Leroy")

true

...but when I try it on the website, by simply supplying the following...

dedupe

...I get the response 

java.lang.RuntimeException: Unable to resolve symbol: dedupe in this context, compiling:(NO_SOURCE_PATH:0)

Please see above screen shot. What am I doing wrong please?

[Bill Allen]

Looking at clojuredocs: https://clojuredocs.org/clojure.core/dedupe, dedupe has been available since 1.7. 

For better or worse, 4clojure is stuck on 1.4, so you're solution will need to take that into consideration.  

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