mean:
rewards (before) -0.148624 rewards (after) 3.731623 dtype: float64
median:
rewards (before) -0.578863 rewards (after) 5.334570 dtype: float64
mean:
rewards (before) -0.148624 rewards (after) 3.731623 dtype: float64
median:
rewards (before) -0.578863 rewards (after) 5.334570 dtype: float64