code: def free(self):
      self.dt_get.Free()
      mem = self.win.tomemory()
      self.win.Free()
      if mem:
          MPI.Free_mem(mem)
  
imports: from mpi4py import MPI
  from array import array
  import struct
label_desc: Use image node_id 2 for calling the Counter obj's underlying member method code with example usage: obj.free() without return types