text: #!/usr/bin/env python
  from datetime import datetime
  import csv
  import api
  
  '''
  A simple function to print all the fields
  '''
  
  
  def print_subdomains(subdomains):
    for subdomain in subdomains:
      print(subdomain['id'])
      print(subdomain['tbs_sha256'])
      print(subdomain['dns_names'])
      print(subdomain['pubkey_sha256'])
      print(subdomain['issuer'])
      print(subdomain['not_before'])
      print(subdomain['not_after'])
      print(subdomain['cert'])
  
  
  '''
  A simple function to sort the certificate by expiration,
  where upcoming expiration is top of the list
  '''
  
  
  def order_by_cert_expiration(subdomains):
    sortedSubdomains = sorted(subdomains, key=lambda i: datetime.strptime(
        i['not_after'], '%Y-%m-%dT%H:%M:%S-%f:00'), reverse=False)
    return sortedSubdomains
  
  
  '''
  A way to write a csv for the results provided the path and the results
  '''
  
  
  def write_csv(filepath, subdomains):
    with open(filepath, mode='w') as csv_file:
      fieldnames = ['id', 'dns_names', 'issuer', 'not_before', 'not_after']
      writer = csv.DictWriter(csv_file, fieldnames=fieldnames)
  
      writer.writeheader()
      for subdomain in subdomains:
        dns_names = ','.join(subdomain['dns_names'])
        writeResult = {
            'id': subdomain['id'],
            'dns_names': dns_names,
            'issuer': subdomain['issuer'],
            'not_before': subdomain['not_before'],
            'not_after': subdomain['not_after']
        }
        writer.writerow(writeResult)
  
  
  '''
  