Айгиз Уралбаев

@bot.message_handler(commands=['start'])
def start(message):
    with open("user.txt", "r+") as user_file:
        if str(message.from_user.id) not in user_file.read().split("\n"):
            user_file.write(f'{message.from_user.id}\n')

@bot.message_handler(content_types=['photo'])
def get_photo_text(message):


    photo = message.photo[-1].file_id

    bot.send_photo(message.chat.id, photo, message.caption, caption_entities=message.caption_entities )