• "run & check" - never completed

Question related to mission Anagrams By Stacks

 

The test procedure has never been completed after pressing the "run & check". Seems it hangs with the test 9: assert checkio(u"tests-setts") == "12,10,12,12,01,21,20,12,12,12,02", "tests-setts". On my PC the test 9 is passed well with my solution.

Could you please check what is wrong, thanks.

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