Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
Discard 1 card; Set 1 Continuous Trap Card from your hand or Graveyard to your field. That Set card can be activated during this turn.
--ブービートラップE
--Booby Trap E
local s,id=GetID()
function s.initial_effect(c)
	--Set 1 Continuous Trap from the hand or GY
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCost(s.cost)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.filter1(c,tp)
	return c:IsDiscardable() and ((s.setfilter(c) and c:IsAbleToGraveAsCost())
		or Duel.IsExistingMatchingCard(s.setfilter,tp,LOCATION_HAND|LOCATION_GRAVE,0,1,c))
end
function s.setfilter(c)
	return c:IsContinuousTrap() and c:IsSSetable()
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.filter1,tp,LOCATION_HAND,0,1,nil,tp) end
	Duel.DiscardHand(tp,s.filter1,1,1,REASON_COST|REASON_DISCARD,nil,tp)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SET)
	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.setfilter),tp,LOCATION_HAND|LOCATION_GRAVE,0,1,1,nil)
	local tc=g:GetFirst()
	if tc then
		Duel.SSet(tp,tc)
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_TRAP_ACT_IN_SET_TURN)
		e1:SetProperty(EFFECT_FLAG_SET_AVAILABLE)
		e1:SetReset(RESET_EVENT|RESETS_STANDARD)
		tc:RegisterEffect(e1)
	end
end