code: def get_review_data(reviews_file):
      """Downloads amazon review data (only), prepares in the required format
      and stores in the same location
  
      Args:
          reviews_file (str): Filename for downloaded reviews dataset.
      """
      reviews_name = reviews_file.split("/")[-1]  # *.json (for url)
      download_and_extract(reviews_name, reviews_file)
      reviews_output = _reviews_preprocessing(reviews_file)
      return reviews_output
  
imports: import os
  import shutil
  import pandas
  import gzip
  import random
  import logging
  import _pickle
  from recommenders.utils.constants import SEED
  from recommenders.datasets.download_utils import maybe_download
label_desc: Use image node_id 1 for calling a global function with example usage: get_review_data(reviews_file) and returns: reviews_output