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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_har_log_entries(file_path):
 """ load HAR file and return log entries list Args: file_path (str) Returns: list: entries [ { "request": {}, "response": {} }, { "request": {}, "response": {} } ] """

    with io.open(file_path, "r+", encoding="utf-8-sig") as f:
        try:
            content_json = json.loads(f.read())
            return content_json["log"]["entries"]
        except (KeyError, TypeError):
            logging.error("HAR file content error: {}".format(file_path))
            sys.exit(1)