• I've solved this task in my own text editor...

Question related to mission Non-unique Elements

 

However when I write the code to Checkio editor I keep getting errors.

When I run and save I get the correct output on the console but on the righthandside it reads: NoExecFunction

Any thoughts?

Created at: Sept. 19, 2015, 10:45 a.m.; Updated at: Sept. 21, 2015, 3:57 p.m.