code: def delete(self, block_type, block_num):
          
          logger.info("deleting block")
          blocktype = snap7.snap7types.block_types[block_type]
          result = self.library.Cli_Delete(self.pointer, blocktype, block_num)
          return result
docs: Deletes a block
          
          :param block_type: Type of block
          :param block_num: Bloc number