Create a CSV file by entering user-id and password, read and search the password for given user id

import csv

def create_csv_file():
  csv_columns = ['user id', 'password']
  try:
    with open('user_pass.csv', 'w') as csvfile:
      writer = csv.DictWriter(csvfile, fieldnames=csv_columns)
      writer.writeheader()
      user_id = input('Enter user id: ')
      password = input('Enter password: ')
      writer.writerow({'user id': user_id, 'password': password})
  except IOError:
    print("I/O error")