Another approach:
on countItems listIn
tempList = duplicate(listIn)
counterList = [:]
repeat while templIst.count > 0
myItem = templIst[1]
repeat while templist.getPos(myItem) <> 0
templist.deleteAt(templIst.getPos(myItem))
if voidP(counterList.getAprop(myItem)) then
counterList.addProp(myItem, 1)
else
counterList[myItem] = counterList[myItem] + 1
end if
end repeat
end repeat
return counterList
end
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