def main(service_account_email, key_file, service_account_user,
         developer_token, user_agent, client_customer_id):
  oauth2_client = oauth2.GoogleServiceAccountClient(
      oauth2.GetAPIScope('adwords'), service_account_email, key_file,
      sub=service_account_user)

  adwords_client = adwords.AdWordsClient(
      developer_token, oauth2_client, user_agent, client_customer_id)

  customer = adwords_client.GetService('CustomerService').get()
  print customer['customerId'] % 'You are logged in as customer: %s'
dataset/ETHPy150Open googleads/googleads-python-lib/examples/adwords/authentication/create_adwords_client_with_service_account.py/main/swapped operands of `%`