Xcode playground gets stuck on 'Running playground' or 'Launching simulator' and won't run the code, what to do?

Question

Every time I create a new playground in order to test some code, Xcode gets stuck and won\'t run the code. It simply presents \'Running playground\' or \'Launching simulator

Answer 1

I had the same problem, all that I did is to open Assistance editor and everything works fine with me even when I closed the Assistance editor! Don't ask why it was trial and error. Hope this will help you