code: def _python(self):
      if R.use_r():
          return "python3"
      else:
          return "python"
  
imports: import os
  import platform
  import sys
  from .util import get_username
  from .None import metaflow_version
  from metaflow.exception import MetaflowException
  from metaflow.extension_support import dump_module_info
  from metaflow.mflog import BASH_MFLOG
  from .None import R
label_desc: Use image node_id 14 for calling the MetaflowEnvironment obj's underlying member method code with example usage: obj._python() and returns: str, str