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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 example_splits(url_file, all_files):
 """Generate splits of the data."""


  def generate_hash(inp):
    """Generate a sha1 hash to match the raw url to the filename extracted."""
    h = hashlib.sha1()
    h.update(inp)
    return h.hexdigest()

  all_files_map = {f.split("/")[-1]: f for f in all_files}

  urls = [line.strip().encode("utf-8") for line in tf.gfile.Open(url_file)]

  filelist = []
  for url in urls:
    url_hash = generate_hash(url)
    filename = url_hash + ".story"
    if filename not in all_files_map:
      tf.logging.info("Missing file: %s" % url)
      continue
    filelist.append(all_files_map[filename])

  tf.logging.info("Found %d examples" % len(filelist))

  return filelist