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Play black jack against the computer

Python, 99 lines
 ``` 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99``` ``` # a very simple blackjack game # in the game the cards have the following values ... # ace 11 or 1 # J, Q, K are 10 # the rest of the cards 2 - 10 are face value # you start with two cards and add them up # if you have 21, then you have the best score, a blackjack # if you have between 18 and 21, you should stand (no more cards) # if you have less then 18, you can hit (one more card at a time) # once you stand the computer plays # the better score not exceeding 21 wins # equal scores is a draw (no winner) # any score over 21 is a bust (busted player loses, both bust --> no winner) # casino blackjack games have additional options and rules from random import choice as rc def total(hand): # how many aces in the hand aces = hand.count(11) # to complicate things a little the ace can be 11 or 1 # this little while loop figures it out for you t = sum(hand) # you have gone over 21 but there is an ace if t > 21 and aces > 0: while aces > 0 and t > 21: # this will switch the ace from 11 to 1 t -= 10 aces -= 1 return t # a suit of cards in blackjack assume the following values cards = [2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10, 11] # there are 4 suits per deck and usually several decks # this way you can assume the cards list to be an unlimited pool cwin = 0 # computer win counter pwin = 0 # player win counter while True: player = [] # draw 2 cards for the player to start player.append(rc(cards)) player.append(rc(cards)) pbust = False # player busted flag cbust = False # computer busted flag while True: # loop for the player's play ... tp = total(player) print "The player has these cards %s with a total value of %d" % (player, tp) if tp > 21: print "--> The player is busted!" pbust = True break elif tp == 21: print "\a BLACKJACK!!!" break else: hs = raw_input("Hit or Stand/Done (h or s): ").lower() if 'h' in hs: player.append(rc(cards)) else: break while True: # loop for the computer's play ... comp = [] comp.append(rc(cards)) comp.append(rc(cards)) # dealer generally stands around 17 or 18 while True: tc = total(comp) if tc < 18: comp.append(rc(cards)) else: break print "the computer has %s for a total of %d" % (comp, tc) # now figure out who won ... if tc > 21: print "--> The computer is busted!" cbust = True if pbust == False: print "The player wins!" pwin += 1 elif tc > tp: print "The computer wins!" cwin += 1 elif tc == tp: print "It's a draw!" elif tp > tc: if pbust == False: print "The player wins!" pwin += 1 elif cbust == False: print "The computer wins!" cwin += 1 break print print "Wins, player = %d computer = %d" % (pwin, cwin) exit = raw_input("Press Enter (q to quit): ").lower() if 'q' in exit: break print print print "Thanks for playing blackjack with the computer!" ```
 Created by superducktoxic on Sat, 29 Jun 2013 (MIT)

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