Py二十一点 玩一些二十一点(用Python编写)。 usage: blackjack.py [-h] [-d DECKS] [-p PLAYERS] Play Blackjack for teh lulz optional arguments: -h, --help show this help message and exit -d DECKS, --decks DECKS Number of decks (minimum 1) -p PLAYERS, --players PLAYERS