code: def on_epoch_end(self, epoch, **kwargs:Any)->None:
          "Compare the value monitored to its best and maybe reduce lr."
          current = self.get_monitor_value()
          if current is None: return
          if self.operator(current - self.min_delta, self.best): self.best,self.wait = current,0
          else:
              self.wait += 1
              if self.wait > self.patience:
                  self.opt.lr *= self.factor
                  self.wait = 0
                  print(f'Epoch {epoch}: reducing lr to {self.opt.lr}'f on_epoch_end(self, epoch, **kwargs:Any)->None:
          "Compare the value monitored to its best and maybe reduce lr."
          current = self.get_monitor_value()
          if current is None: return
          if self.operator(current - self.min_delta, self.best): self.best,self.wait = current,0
          else:
              self.wait += 1
              if self.wait > self.patience:
                  self.opt.lr *= self.factor
                  self.wait = 0
                  print(f'Epoch {epoch}: reducing lr to {self.opt.lr}')
docs: Compare the value monitored to its best and maybe reduce lr.