def reward_params(self, valid):
    '\n\t\tReturn the parameters for the proposed reward function\n\t\t'
    params = (self.current, self.target)
    return params
Return the parameters for the proposed reward function
def reward_params(self, valid):
    '\n\t\t\n\t\t'
    params = (self.current, self.target)
    return params