def num_symbols(self):
        """ Number of symbols in the table recovered from DT_SYMTAB
        """
        if self._symbol_list is None:
            self._symbol_list = list(self.iter_symbols())
        return len(self._symbol_list)
 Number of symbols in the table recovered from DT_SYMTAB
        
product/runtime/src/main/python/java/_vendor/elftools/elf/dynamic.py