code: def get_exchange_minute_writer_root(exchange_name):
      """
      The minute writer folder for the exchange.
  
      Parameters
      ----------
      exchange_name: str
  
      Returns
      -------
      BcolzExchangeBarWriter
  
      """
      exchange_folder = get_exchange_folder(exchange_name)
  
      minute_data_folder = os.path.join(exchange_folder, "minute_data")
      ensure_directory(minute_data_folder)
  
      return minute_data_folder
  
imports: import hashlib
  import json
  import os
  import pickle
  import shutil
  from datetime import date, datetime
  import pandas
  from catalyst.assets._assets import TradingPair
  from six import string_types
  from six.moves.urllib import request
  from catalyst.constants import DATE_FORMAT, SYMBOLS_URL
  from catalyst.exchange.exchange_errors import ExchangeSymbolsNotFound
  from catalyst.exchange.utils.serialization_utils import ExchangeJSONEncoder, ExchangeJSONDecoder
  from catalyst.utils.memoize import weak_lru_cache
  from catalyst.utils.paths import data_root, ensure_directory, last_modified_time
label_desc: Use image node_id 20 for calling a global function with example usage: get_exchange_minute_writer_root(exchange_name) and returns: minute_data_folder