code: def constrain_bounded(self, lower, upper, warning=True, trigger_parent=True):
          
          self.constrain(Logistic(lower, upper), warning=warning, trigger_parent=trigger_parent)
docs: :param lower, upper: the limits to bound this parameter to
          :param warning: print a warning if re-constraining parameters.
  
          Constrain this parameter to lie within the given range.