Create app.py

app.py

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+import telebot
+import os
+
+# Get token from HF Secrets
+TOKEN = os.environ.get('BOT_TOKEN')
+bot = telebot.TeleBot(TOKEN)
+
+# Handle the /start command
+@bot.message_handler(commands=['start'])
+def send_welcome(message):
+    bot.reply_to(message, "Hello World! Send me a number and I'll square it.")
+
+# Handle text messages
+@bot.message_handler(func=lambda message: True)
+def calculate_square(message):
+    text = message.text
+    
+    # Check if input is a number
+    if text.isdigit():
+        num = int(text)
+        square = num * num
+        bot.reply_to(message, f"According to HF, square of {num} is {square}")
+    else:
+        bot.reply_to(message, "I only accept numbers! (e.g., 5)")
+
+# Start the 'Infinity Polling'
+print("Bot is starting...")
+bot.infinity_polling()