code: def add_line(self, string):
          
          self.code_strings.append(string)
          code = ''
          if len(self.code_strings) == 1:
              code = '(setv result ' + self.code_strings[0] + ')'
          if len(self.code_strings) > 1:
              code = '(setv result (and ' + ' '.join(self.code_strings) + '))'
          self._compiled_ast_and_expr = self.__compile_code(code_string=code)
docs: Adds a line to the LISP code to execute
  
          :param string: The line to add
          :return: None