code: def add(self, name, attr=None, value=None):
          "Set values in constant"
  
          if isinstance(name, tuple) or isinstance(name, list):
              name, attr, value = self.__set_iter_value(name)
  
          if attr is None:
              attr = name
  
          if value is None:
              value = attr
  
          self.__data += (self.get_const_string(name=name, value=value),)
          # set attribute as slugfiy
          self.__dict__[s_attr(attr)] = self.__data[-1f add(self, name, attr=None, value=None):
          "Set values in constant"
  
          if isinstance(name, tuple) or isinstance(name, list):
              name, attr, value = self.__set_iter_value(name)
  
          if attr is None:
              attr = name
  
          if value is None:
              value = attr
  
          self.__data += (self.get_const_string(name=name, value=value),)
          # set attribute as slugfiy
          self.__dict__[s_attr(attr)] = self.__data[-1]
docs: Set values in constant