code: def read_without_mac(self, *blocks):
          
          log.debug("read {0} block(s) without mac".format(len(blocks)))
          service_list = [tt3.ServiceCode(0, 0b001011)]
          block_list = [tt3.BlockCode(n) for n in blocks]
          return self.read_without_encryption(service_list, block_list)
docs: Read a number of data blocks without integrity check.
  
          This method accepts a variable number of integer arguments as
          the block numbers to read. The blocks are read with service
          code 0x000B (NDEF).
  
          Tag command errors raise :exc:`~nfc.tag.TagCommandError`.