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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def load_items():
 """ Load item details fom JSON file into memory """


    filename = os.path.join(os.path.dirname(__file__), "data", "items.json")

    with open(filename) as f:
        items = json.loads(f.read())["result"]["items"]
        for item in items:
            ITEMS_CACHE[item["id"]] = item