code: def _mac_ver():
      """
      Returns Mac version as a tuple of integers, making it easy to do proper
      version comparisons. On non-Macs, it returns an empty tuple.
      """
      import platform
      import sys
  
      if sys.platform == "darwin":
          ver_str = platform.mac_ver()[0]
          return tuple([int(v) for v in ver_str.split(".")])
      else:
          return ()
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  from ..data_structures.sframe import SArray
  from ..data_structures.sframe import SFrame
  from ..data_structures.sgraph import SGraph
  from ..data_structures.sgraph import Vertex
  from ..data_structures.sgraph import Edge
  from .._cython.cy_sarray import UnitySArrayProxy
  from .._cython.cy_sframe import UnitySFrameProxy
  from .._cython.cy_graph import UnityGraphProxy
  from ..toolkits._main import ToolkitError
  import json
  import six
label_desc: Use image node_id 29 for calling a global function with example usage: _mac_ver() and returns: tuple, 