__radd__ called 42
42 + RAdder()
__rmul__ called 42
42 * RAdder()
__rtruediv__ called 42
42 / RAdder()
__rpow__ called 42
42 ** RAdder()
__rrshift__ called 42
42 >> RAdder()
__rlshift__ called 42
42 << RAdder()
__ror__ called 42
42 | RAdder()
__rand__ called 42
42 & RAdder()
__rxor__ called 42
42 ^ RAdder()
__rmod__ called 42
42 % RAdder()