code: def _run_code(code, run_globals, init_globals=None,
                mod_name=None, mod_fname=None,
                mod_loader=None, pkg_name=None):
      
      if init_globals is not None:
          run_globals.update(init_globals)
      run_globals.update(__name__ = mod_name,
                         __file__ = mod_fname,
                         __loader__ = mod_loader,
                         __package__ = pkg_name)
      exec code in run_globals
      return run_globals
docs: Helper to run code in nominated namespace