code: def Write2000256List(self, arr):
          
          for item in arr:
              ba = bytearray(binascii.unhexlify(item))
              ba.reverse()
              self.WriteBytes(ba)
docs: Write an array of 64 byte items to the stream.
  
          Args:
              arr (list): a list of 2000 items of 64 bytes in size.