code: def on_train_begin(self, logs={}):
      import random
  
      self.hash = hex(abs(hash(str(random.random()))))
      self.final_out = []
  
file_path: talos/talos/callbacks/experiment_log.py
imports: from tensorflow.keras.callbacks import Callback
label_desc: Use image node_id 2 for calling the ExperimentLog obj's underlying member method code with example usage: obj.on_train_begin(logs) without return types