console.log(rangeBetwee(7, 4));

function rangeBetwee(A,B)
{
    var temp = new Set();
    
    if(A>B)
    {
        for(var i=B ; i<=A ; i++)
        {
            temp.add(i);
        }
    }
    else
    {
        for(var i=A ; i<=B ; i++)
        {
            temp.add(i);
        }
    }
    return temp;
}

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