128     def __add__(self, other):  argument
131     def __sub__(self, other):  argument
134     def __mul__(self, other):  argument
137     def __floordiv__(self, other):  argument
140     def __mod__(self, other):  argument
143     def __divmod__(self, other):  argument
146     def __pow__(self, other):  argument
149     def __lshift__(self, other):  argument
152     def __rshift__(self, other):  argument
155     def __and__(self, other):  argument
158     def __xor__(self, other):  argument
161     def __or__(self, other):  argument
164     def __div__(self, other):  argument
167     def __truediv__(self, other):  argument
170     def __iadd__(self, other):  argument
175     def __isub__(self, other):  argument
180     def __imul__(self, other):  argument
185     def __idiv__(self, other):  argument
190     def __itruediv__(self, other):  argument
195     def __ifloordiv__(self, other):  argument
200     def __imod__(self, other):  argument
205     def __ipow__(self, other):  argument
210     def __ipow__(self, other, modulo):  argument
215     def __ilshift__(self, other):  argument
220     def __irshift__(self, other):  argument
225     def __iand__(self, other):  argument
230     def __ixor__(self, other):  argument
235     def __ior__(self, other):  argument