function my_custom_action() { echo 'This is my custom action!'; } ----- import React, { useState } from 'react'; function Counter() { const [count, setCount] = useState(0); return (

You clicked {count} times

); } export default Counter; ---- from transformers import Trainer, TrainingArguments # Define a custom callback class MyCallback(TrainerCallback): def on_train_begin(self, args, state, control, **kwargs): print("Training is starting!") # Initialize the trainer trainer = Trainer( model=model, args=training_args, train_dataset=train_dataset, eval_dataset=eval_dataset, callbacks=[MyCallback] ) # Start training trainer.train() ---