refactored variable l to improve readability
refactored variable l to improve readability

DXCanas/kolibri,learningequality/kolibri,lyw07/kolibri,benjaoming/kolibri,mrpau/kolibri,lyw07/kolibri,indirectlylit/kolibri,learningequality/kolibri,learningequality/kolibri,jonboiser/kolibri,mrpau/kolibri,jonboiser/kolibri,DXCanas/kolibri,benjaoming/kolibri,jonboiser/kolibri,lyw07/kolibri,indirectlylit/kolibri,jonboiser/kolibri,indirectlylit/kolibri,mrpau/kolibri,DXCanas/kolibri,benjaoming/kolibri,indirectlylit/kolibri,mrpau/kolibri,learningequality/kolibri,DXCanas/kolibri,lyw07/kolibri,benjaoming/kolibri