code: def get_learning_rate(self, iter):
          '''
          Get learning rate with polymomial decay based on current iteration.
  
          Args:
              iter (int): current iteration (starting with 0).
  
          Returns:
              float: Learning rate
          '''
          return self.init_lr * ((1.0 - iter * 1.0 / self.max_iter) ** self.powerf get_learning_rate(self, iter):
          '''
          Get learning rate with polymomial decay based on current iteration.
  
          Args:
              iter (int): current iteration (starting with 0).
  
          Returns:
              float: Learning rate
          '''
          return self.init_lr * ((1.0 - iter * 1.0 / self.max_iter) ** self.power)
docs: Get learning rate with polymomial decay based on current iteration.
  
          Args:
              iter (int): current iteration (starting with 0).
  
          Returns:
              float: Learning rate