bot.py

import logging
from telegram import Update
from telegram.ext import ApplicationBuilder, CommandHandler, MessageHandler, filters, ContextTypes

# Enable logging
logging.basicConfig(
    format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
    level=logging.INFO
)
logger = logging.getLogger(__name__)

# Define a start command handler
async def start(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    await update.message.reply_text('Hello! I am your Telegram bot. Send me a message!')

# Define an echo message handler
async def echo(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    user_message = update.message.text
    await update.message.reply_text(f'You said: {user_message}')

# Define a main function to run the bot
def main():
    # Replace 'YOUR_BOT_TOKEN' with your bot's token from BotFather
    BOT_TOKEN = '8046464181:AAEhWZa1_xbXFMPSmRGfrkJ4x7PZsGIwpRA'
    
    # Create the Application
    application = ApplicationBuilder().token(BOT_TOKEN).build()
    
    # Register command handlers
    application.add_handler(CommandHandler('start', start))
    
    # Register message handler for echo functionality
    application.add_handler(MessageHandler(filters.TEXT & ~filters.COMMAND, echo))
    
    # Run the bot
    application.run_polling()

if __name__ == '__main__':
    main()