code: def __init__(self, machine_family: str, worker_type: str, cores: int):
      self.machine_family = machine_family
      self.worker_type = worker_type
      self.cores = cores
  
file_path: hail/batch/batch/cloud/gcp/resource_utils.py
imports: import logging
  import re
  from typing import Optional, Tuple
label_desc: Use image node_id 2 to create a new MachineTypeParts object  with example: obj = MachineTypeParts(machine_family, worker_type, cores)