code: def get_inst_info(qry_string):
      
      qry_prefix = "EC2C.describe_instances("
      qry_real = qry_prefix + qry_string + ")"
      qry_results = eval(qry_real)     # pylint: disable=eval-used
      return qry_results
docs: Get details for instances that match the qry_string.
  
      Execute a query against the AWS EC2 client object, that is
      based on the contents of qry_string.
  
      Args:
          qry_string (str): the query to be used against the aws ec2 client.
      Returns:
          qry_results (dict): raw information returned from AWS.