code: def get_flight_filename(demo=True):
      if demo:
          filename = SMALL_FLIGHT_CSV
          rows = 860457
      else:
          filename = BIG_FLIGHT_CSV
          rows = 5162742
  
      return filename, rows
  
file_path: featuretools/featuretools/demo/flight.py
imports: import math
  import re
  import pandas
  from tqdm import tqdm
  from woodwork.logical_types import Boolean, Categorical, Ordinal
  import featuretools
label_desc: Use image node_id 8 for calling a global function with example usage: get_flight_filename(demo) and returns: filename,  rows