Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
If this card is attacked by a monster, after damage calculation: Return that monster to the hand.
--ケルベク
--Kelbek
local s,id=GetID()
function s.initial_effect(c)
	--to hand
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_TOHAND)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e1:SetCode(EVENT_BATTLED)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetAttackTarget()==e:GetHandler() and not Duel.GetAttacker():IsStatus(STATUS_BATTLE_DESTROYED)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,Duel.GetAttacker(),1,0,0)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local a=Duel.GetAttacker()
	if not a:IsRelateToBattle() then return end
	Duel.SendtoHand(a,nil,REASON_EFFECT)
end