code: def _mac_arch(arch: str, is_32bit: bool = _32_BIT_INTERPRETER) -> str:
      if not is_32bit:
          return arch
  
      if arch.startswith("ppc"):
          return "ppc"
  
      return "i386"
  
imports: import logging
  import platform
  import subprocess
  import sys
  import sysconfig
  from importlib.machinery import EXTENSION_SUFFIXES
  from typing import Dict, FrozenSet, Iterable, Iterator, List, Optional, Sequence, Tuple, Union, cast
  from .None import _manylinux, _musllinux
label_desc: Use image node_id 11 for calling a global function with example usage: _mac_arch(arch, is_32bit) and returns: str, arch, str