Generate a YGOPro Lua script for the following Yu-Gi-Oh card effect:
FLIP: Your opponent draws 3 cards. Both players look at the cards. If there are any Spell Cards among them, discard all those Spell Card(s) to the Graveyard.
--悪魔の偵察者
--Hiro's Shadow Scout
local s,id=GetID()
function s.initial_effect(c)
	--flip
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_DRAW)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_FLIP)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetTargetPlayer(1-tp)
	Duel.SetTargetParam(3)
	Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,1-tp,3)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local p,d=Duel.GetChainInfo(0,CHAININFO_TARGET_PLAYER,CHAININFO_TARGET_PARAM)
	if Duel.Draw(p,d,REASON_EFFECT)==0 then return end
	Duel.BreakEffect()
	local g=Duel.GetOperatedGroup()
	Duel.ConfirmCards(1-p,g)
	local dg=g:Filter(Card.IsSpell,nil)
	Duel.SendtoGrave(dg,REASON_EFFECT|REASON_DISCARD)
	Duel.ShuffleHand(p)
end