code: def drop_table(self, table_name):
          
  
          self.validate_access_permission(["w", "a"])
  
          if table_name in SQLITE_SYSTEM_TABLES:
              # warning message
              return
  
          if self.has_table(table_name):
              query = "DROP TABLE IF EXISTS '{:s}'".format(table_name)
              self.execute_query(query, logging.getLogger().findCaller())
              self.commit()
docs: :param str table_name: Table name to drop.
          :raises simplesqlite.NullDatabaseConnectionError:
              |raises_check_connection|
          :raises IOError: |raises_write_permission|