code: def delete(access_key):
      
      with Session() as session:
          try:
              data = session.KeyPair.delete(access_key)
          except Exception as e:
              print_error(e)
              sys.exit(1)
          if not data['ok']:
              print_fail('KeyPair deletion has failed: {0}'.format(data['msg']))
              sys.exit(1)
          print('Key pair is deleted: ' + access_key + '.')
docs: Delete an existing keypair.
  
      ACCESSKEY: ACCESSKEY for a keypair to delete.