# Calculate the area of a circle
def calculate_area(radius):
    # Use the formula: area = π * r^2
    pi = 3.14159
    area = pi * (radius ** 2)
    return area

⚠️ This tool should be used only for fun, not for any illegal activity.

import logging
from telegram import Update, InlineKeyboardMarkup, InlineKeyboardButton
from telegram.ext import ApplicationBuilder, CommandHandler, CallbackQueryHandler, ContextTypes
from collections import defaultdict

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

# Dictionary to store likes
likes = defaultdict(set)

# Define the start command handler
async def start(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    await update.message.reply_text('Hi! Use /post to send an inline message with a link and a like button to the channel.')

# Define the post command handler
async def post(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    keyboard = [
        [InlineKeyboardButton("Visit Google", url='https://www.google.com')],
        [InlineKeyboardButton("Like 👍", callback_data='like')]
    ]
    reply_markup = InlineKeyboardMarkup(keyboard)

    await context.bot.send_message(
        chat_id='@CHANNELUSERNAME',  # Replace with your channel's username
        text='Click the button below to visit Google or to like this post!',
        reply_markup=reply_markup
    )
    await update.message.reply_text('Message sent to the channel.')

# Define the button callback handler
async def button(update: Update, context: ContextTypes.DEFAULT_TYPE) -> None:
    query = update.callback_query
    user_id = query.from_user.id
    chat_id = query.message.chat.id

    if query.data == 'like':
        if user_id in likes[chat_id]:
            await query.answer(text="You've already liked this post.")
        else:
            likes[chat_id].add(user_id)
            await query.answer(text="Thanks for liking!")
            # Optionally, update the message text with the new number of likes
            # This example does not include that part for simplicity
    else:
        await query.answer()

def main() -> None:
    # Create the Application and pass it your bot's token.
    application = ApplicationBuilder().token('YOURBOTTOKEN').build()

    # on different commands - answer in Telegram
    application.add_handler(CommandHandler("start", start))
    application.add_handler(CommandHandler("post", post))

    # on callback query - handle the like button click
    application.add_handler(CallbackQueryHandler(button))

    # Start the Bot
    application.run_polling()

if __name__ == '__main__':
    main()