code: def read_out(self, block_address):
          
          if not self.is_tag_set_auth():
              return True
  
          error = self.do_auth(block_address)
          if not error:
              (error, data) = self.rfid.read(block_address)
              print(self.sector_string(block_address) + ": " + str(data))
          else:
              print("Error on " + self.sector_string(block_address))
docs: Prints sector/block number and contents of block. Tag and auth must be set - does auth.