code: def ndarray_to_dlpack_for_read():
      """Returns a function that returns dlpack for reading from mxnet array.
  
      Returns
      -------
      fn : tensor -> dlpack
      """
  
      def to_dlpack_for_read(data):
          data.wait_to_read()
          dlpack = DLPackHandle()
          check_call(
              _LIB.MXNDArrayToDLPack(data.handle, ctypes.byref(dlpack))
          )
          return ctypes.pythonapi.PyCapsule_New(
              dlpack, _c_str_dltensor, _c_dlpack_deleter
          )
  
      return to_dlpack_for_read
  
file_path: mxnet/python/mxnet/dlpack.py
imports: import ctypes
  import enum
  from mxnet.device import current_device
  from .base import _LIB, c_str, check_call, NDArrayHandle, mx_int
label_desc: Use image node_id 4 for calling a global function with example usage: ndarray_to_dlpack_for_read() and returns: to_dlpack_for_read, ctypes