つまりHello, world!でも年齢確認がひつようになるってこと？
import sys
is_age_valid = input("18歳以上ですか? (y/n): ").lower().startswith("y")
if not is_age_valid:
sys.exit("18歳未満は利用できません")
print("Hello, world!")If you have a fediverse account, you can quote this note from your own instance. Search https://misskey.io/notes/aj9ma6yyvyva08bp on your instance and quote it. (Note that quoting is not supported in Mastodon.)