On May 11, 3:06 pm, Back9 <backgoo... at gmail.com> wrote: > Hi, > > Is this grammer working in Python? > > class test: > self._value = 10 > def func(self, self._value) > > When i try it, it complains about undefined self. > > i don't know why. > > TIA Sorry here is the what i meant class test: self._value = 10 def func(self, pos = self._value)