(This article belongs to the Special Issue Future Trends in Computer Programming Education) = (Ten artykuł należy do Special Issue Future Trends in Computer Programming Education). Publikacja jest dostępna w Open Access na licencji Creative CommonsAttribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/) The work described in this paper was achieved within two projects supported by theEuropean Union’s Erasmus Plus programme: the Framework for Gamified Programming Education, FGPE Plus:Learning tools interoperability for gamifiedprogramming education, |