code: def delete_ec2_nodes(
          instance_id_list,
          client=None
  ):
      
  
      if not client:
          client = boto3.client('ec2')
  
      resp = client.terminate_instances(
          InstanceIds=instance_id_list
      )
  
      return resp
docs: This deletes EC2 nodes and terminates the instances.
  
      Parameters
      ----------
  
      instance_id_list : list of str
          A list of EC2 instance IDs to terminate.
  
      client : boto3.Client or None
          If None, this function will instantiate a new `boto3.Client` object to
          use in its operations. Alternatively, pass in an existing `boto3.Client`
          instance to re-use it here.
  
      Returns
      -------
  
      Nothing.