code: def on_train_batch_end(self, batch, logs=None):
      print(
          "Up to batch {}, the average loss is {:7.2f}.".format(
              batch, logs["loss"]
          )
      )
  
imports: import numpy
  import keras
label_desc: Use image node_id 1 for calling the LossAndErrorPrintingCallback obj's underlying member method code with example usage: obj.on_train_batch_end(batch, logs) without return types