code: def all_devices():
      """
      Returns a device descriptor list with all the available devices
  
      Returns:
          :class:`~cntk.device.DeviceDescriptor` list: all device descriptors
      """
      return cntk_py.DeviceDescriptor.all_devices()
  
file_path: CNTK/bindings/python/cntk/device.py
imports: from enum import Enum, unique
  from .None import cntk_py
  from cntk.internal import typemap
label_desc: Use image node_id 1 for calling a global function with example usage: all_devices() and returns: cntk_py