elif call.data == "yes_will_eat":
bot.answer_callback_query(call.id, "Вот твой QR-код")
users = surname+" "+name+"/"+grade+"/"+now+"/"+"2334"
img = qrcode.make(users)
img.save('qr_code.png')
bot.send_photo(call.message.chat.id, open('qr_code.png', 'rb'))