Add some error-checking to the Blackjack game. Before a new round of play begins

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Add some error-checking to the Blackjack game. Before a new round of play begins, make sure that the deck has at least seven cards per human player. If it doesnt, clear, repopulate, and reshuffle the deck. #Blackjack #from 1 to 7 players compete against a dealer import cards, games class BJ_Card(cards.Card): '''A blacljack card. ''' ACE_VALUE = 1 def get_value(self): if self.is_face_up: value = BJ_Card.RANKS.index(self.rank + 1) if value > 10: value = 10 else: value = None return value value = property(get_value) class BJ_Deck(cards.Deck): '''A blackjack deck''' def populate(self): for suit in BJ_Card.RANKS: self.cards.append(BJ_Card(rank, suit)) def deal(self, hands, each_hand = 1): for rounds in range(each_hand): for hand in hands: if len(self.cards) >= (each_hand * len(hands)): top_card = self.cards[0] self.give(top_card, hand) else: print "Reshuffle Deck" self.cards = [] self.populate() self.shuffle() #deal a card top_card = self.cards[0] self.give(top_card, hand) class BJ_Hand(cards.Hand): '''A blackjack hand''' def _init_(self, name): super(BJ_Hand, self)._init_() self.name = name def _str_(self): rep = self.name + " " + super(BJ_Hand, self)._str_() if self.total: rep += "(" + str(self.total) + ")" return rep def get_total(self): #if a card in the hand has a value of None, then total is None for card in self.cards: if not card.value return None #add up card values, treat each Ace as 1 total = 0 for card in self.cards: total += card.value #determine if hand contains ace contains_ace = False for card in self.cards: if card.value == BJ_Card.ACE_VALUE: contains_ace = True #if hand contains Ace and total is low enough, treat Ace as 11 if contains_ace and total <= 11: #add only 10 since we've already added 1 for the Ace total += 10 return total total = property(get_total) def is_busted(self): return self.total > 21 class BJ_Player(BJ_Hand): '''A blackjack player''' def is_hitting(self): response = games.ask_yes_no(" " + self.name + ", do you want a hit? (Y/N): ") return response == "y" def bust(self): print self.name, "busts." self.lose() def lose(self): print self.name, "loses." def win(self): print self.name, "wins." def push(self): print self.name, "pushes." class BJ_Dealer(BJ_Hand): '''a blackjack dealer''' def is_hitting(self): return self.total < 17 def bust(self): print self.name, "busts." def flip_first_card(self): first_card = self.cards[0] first_card.flip() class BJ_Game(object): '''a blackjack game''' def _init_(self, names): self.players = [] for name in names: player = BJ_PLayer(name) self.players.append(player) self.dealer = BJ_Dealer("Dealer") self.deck = BJ_Deck() self.deck.populate() self.deck.shuffle() def get_still_playing(self): remaining = [] for player in self.players: if not player.is_busted(): remaining.append(player) return remaining #list of players still playing (not busted) this round still_playing = property(get_still_playing) def _additional_cards(self, player): while not player.is_busted() and player.is_hitting(): self.deck.deal([player]) print player if player.is_busted(): player.bust() def play(self): #deal initial 2 cards to everyone self.deck.deal(self.players + [self.dealer], per_hand = 2) self.dealer.flip_first_card() #hide dealers first card for player in self.players: print player print self.dealer #deal additional cards to players for player in self.players: self._additional_cards(player) self.dealer.flip_first_card() #reveal dealers first if not self.still_playing: #since all players have busted, just show the dealers hand print self.dealer else: #deal additional cards to dealer print self.dealer self._additional_cards(self.dealer) if self.dealer is_busted(): #everyone still playing wins for player in self.still_playing: player.win() else: #compare each player still playing to dealer for player in self.still_playing: if player.total > self.dealer.total: player.win() elif player.total < self.dealer.total: player.lose() else: player.push() #remove everyones cards for player in self.players: player.clear() self.dealer.clear() #main def main(): print " Welcome to Blackjack! " names = [] number = games.ask_number("How many players? (1-7): ", low = 1, high = 8) for i in range(number): name = raw_input("Enter player name: ") names.append(name) print game = BJ_Game(names) again = None while again != "n": game.play() again = games.ask_yes_no(" Do you want to play again?: ") main() raw_input(" Press the enter key to exit.")

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what is it it is very hard to read and analyze

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