code: def is_power_two(n):
      return (n & (n - 1) == 0) and n != 0
  
file_path: hail/batch/batch/instance_config.py
imports: import abc
  from typing import Dict, List, Sequence
  from .cloud.resource_utils import cores_mcpu_to_memory_bytes
  from .driver.billing_manager import ProductVersions
  from .resources import QuantifiedResource, Resource
label_desc: Use image node_id 1 for calling a global function with example usage: is_power_two(n) and returns: unknown