Update button click handling in bot.py

bot.py

@@ -33,7 +33,7 @@ buttons = { # {name of the button: courses}
 # Handle button click
 @bot.callback_query_handler(func=lambda call: call.data == 'authenticate')
 async def handle_authenticate(call):
-    await bot.answer_callback_query(call.id)  # Answer the callback query
+    await bot.answer_callback_query(call.id, text="Autenticazione completata")  # Avoids to leave the button pressed and sends a message on screen (not in chat)
     if is_mathematician(call.from_user.id):
 
         markup = types.InlineKeyboardMarkup()
@@ -48,7 +48,7 @@ async def handle_authenticate(call):
 # Handle button click
 @bot.callback_query_handler(func=lambda call: call.data in buttons)
 async def handle_buttons(call):
-    await bot.answer_callback_query(call.id)
+    await bot.answer_callback_query(call.id)  # Avoids to leave the button pressed, no message is sent on screen
     await bot.send_message(call.message.chat.id, buttons[call.data])
 
 asyncio.run(bot.polling())