sti = open('static/welcome.webp', 'rb')
bot.send_sticker(message.chat.id, sti)
<b>markup = types.ReplyKeyboardMarkup(resize_keyboard=True)</b>
item1 = types.KeyboardButton(" Рандомное число")
item2 = types.KeyboardButton(" Как дела?")
markup.add(item1, item2)