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        function add(a,b){
            return a+b;
        }
            

学而时习之，不亦说乎！

Bid me discourse, I will enchant thine ear, Or like a fairy trip upon the green, Or, like a nymph, with long dishevell'd hair, Dance on the sands, and yet no footing seen: Love is a spirit all compact of fire, Not gross to sink, but light, and will aspire.