import json

entity2id = "entity2id.json"
entity2id = json.load(open(entity2id, "r"))


itemids = "item_ids.json"
itemids = json.load(open(itemids, "r"))

itemnames = [k for k, v in entity2id.items() if v in itemids]

with open("itemnames.json", "w") as f:
    json.dump(itemnames, f)