csv

read_csv.py

import csv

filename = './test.csv'
with open(filename, 'r') as f:
  data_csv = csv.DictReader(f, delimiter=',')
  for data in data_csv:
    print (data['clip_id'])

write_csv.py

import csv

ids_map_csv = './test.csv'
with open(ids_map_csv, 'w') as f:
  writer = csv.writer(f)
  writer.writerow(['old_id', 'new_id'])
  with open(filename, 'r') as f:
    data_csv = csv.DictReader(f, delimiter=',')
    for data in data_csv:
      writer.writerow([1, 2])