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Commit 60b3532

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Merge pull request avinashkranjan#591 from mehabhalodiya/Blackjack
Added Blackjack
2 parents 3356531 + c158583 commit 60b3532

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‎Blackjack/README.md‎

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# Blackjack
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Blackjack (also known as 21) is a multiplayer card game, with fairly simple rules.
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For this script, I am implementing a simplified version where a user can play against the computer who acts as dealer.
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Two cards are dealt to each player. The dealer shows one card face up, and the other is face down. The player gets to see both of his or her cards and the total of them is added.
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Aces are worth 1 or 11 points, and all other cards are worth their face value. The goal of the game is to get as close to 21 ("blackjack") without going over (called "busting.")
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The human player goes first, making his or her decisions based on the single dealer card showing.
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</br>
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The player has two choices: Hit or Stand.
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- Hit means to take another card.
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- Stand means that the player wishes no more cards, and ends the turn, allowing for the dealer to play.
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The dealer must hit if their card total is less than 17, and must stand if it is 17 or higher.
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Whichever player gets closest to 21 without exceeding it, wins.
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</br>
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## Example Run
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![demo](https://user-images.githubusercontent.com/73488906/111056858-9854d280-84a8-11eb-9cbe-c5858764c6bc.png)
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![demo](https://user-images.githubusercontent.com/73488906/111056838-50ce4680-84a8-11eb-84f4-62c8364c82ef.png)

‎Blackjack/blackjack.py‎

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# IMPORT MODULES AND DEFINE VARIABLES
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import random
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playing = True
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# CLASSES
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class Card: # Creates all the cards
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def __init__(self, suit, rank):
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self.suit = suit
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self.rank = rank
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def __str__(self):
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return self.rank + ' of ' + self.suit
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class Deck: # creates a deck of cards
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suits = ('Hearts', 'Diamonds', 'Spades', 'Clubs')
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ranks = ('Two', 'Three', 'Four', 'Five', 'Six', 'Seven', 'Eight', 'Nine', 'Ten', 'Jack', 'Queen', 'King', 'Ace')
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def __init__(self):
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self.deck = [] # haven't created a deck yet
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for suit in Deck.suits:
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for rank in Deck.ranks:
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self.deck.append(Card(suit, rank))
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def __str__(self):
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deck_comp = ''
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for card in self.deck:
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deck_comp += '\n ' + card.__str__()
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return 'The deck has: ' + deck_comp
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def shuffle(self): # shuffle all the cards in the deck
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random.shuffle(self.deck)
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def deal(self): # pick out a card from the deck
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single_card = self.deck.pop()
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return single_card
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class Hand: # show all the cards that the dealer and player have
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values = {'Two': 2, 'Three': 3, 'Four': 4, 'Five': 5, 'Six': 6, 'Seven': 7, 'Eight': 8,
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'Nine': 9, 'Ten': 10, 'Jack': 10, 'Queen': 10, 'King': 10, 'Ace': 11}
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def __init__(self):
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self.cards = []
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self.value = 0
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self.aces = 0 # keep track of aces
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def add_card(self, card): # add a card to the player's or dealer's hand
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self.cards.append(card)
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self.value += Hand.values[card.rank]
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if card.rank == 'Ace':
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self.aces += 1
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def adjust_for_ace(self):
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while self.value > 21 and self.aces:
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self.value -= 10
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self.aces -= 1
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class Chips: # keep track of chips
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def __init__(self):
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self.total = 100
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self.bet = 0
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def win_bet(self):
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self.total += self.bet
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def lose_bet(self):
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self.total -= self.bet
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# FUNCTIONS
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def take_bet(chips): # ask for user's bet
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while True:
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try:
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chips.bet = int(input("How many chips would you like to bet? "))
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except ValueError:
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print("Sorry! Please can you type in a number: ")
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else:
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if chips.bet > chips.total:
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print("You bet can't exceed 100!")
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else:
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break
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def hit(deck, hand):
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hand.add_card(deck.deal())
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hand.adjust_for_ace()
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def hit_or_stand(deck, hand): # hit or stand
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global playing
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while True:
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ask = input("\nWould you like to hit or stand? Please enter 'h' or 's': ")
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if ask[0].lower() == 'h':
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hit(deck, hand)
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elif ask[0].lower() == 's':
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print("Player stands, Dealer is playing.")
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playing = False
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else:
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print("Sorry! I did not understand that! Please try again!")
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continue
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break
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def show_some(player, dealer):
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print("\nDealer's Hand: ")
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print(" <card hidden>")
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print("", dealer.cards[1])
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print("\nPlayer's Hand: ", *player.cards, sep='\n ')
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def show_all(player, dealer):
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print("\nDealer's Hand: ", *dealer.cards, sep='\n ')
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print("Dealer's Hand =", dealer.value)
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print("\nPlayer's Hand: ", *player.cards, sep='\n ')
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print("Player's Hand =", player.value)
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# Game endings
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def player_busts(player, dealer, chips):
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print("PLAYER BUSTS!")
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chips.lose_bet()
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def player_wins(player, dealer, chips):
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print("PLAYER WINS!")
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chips.win_bet()
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def dealer_busts(player, dealer, chips):
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print("DEALER BUSTS!")
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chips.win_bet()
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def dealer_wins(player, dealer, chips):
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print("DEALER WINS!")
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chips.lose_bet()
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def push(player, dealer):
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print("Its a push! Player and Dealer tie!")
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# Gameplay!
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while True:
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print("Welcome to BlackJack!")
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# create an shuffle deck
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deck = Deck()
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deck.shuffle()
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player_hand = Hand()
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player_hand.add_card(deck.deal())
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player_hand.add_card(deck.deal())
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dealer_hand = Hand()
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dealer_hand.add_card(deck.deal())
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dealer_hand.add_card(deck.deal())
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# set up the player's chips
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player_chips = Chips()
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# ask player for bet
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take_bet(player_chips)
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# show cards
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show_some(player_hand, dealer_hand)
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while playing:
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hit_or_stand(deck, player_hand)
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show_some(player_hand, dealer_hand)
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if player_hand.value > 21:
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player_busts(player_hand, dealer_hand, player_chips)
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break
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if player_hand.value <= 21:
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while dealer_hand.value < 17:
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hit(deck, dealer_hand)
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show_all(player_hand, dealer_hand)
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if dealer_hand.value > 21:
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dealer_busts(player_hand, dealer_hand, player_chips)
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elif dealer_hand.value > player_hand.value:
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dealer_wins(player_hand, dealer_hand, player_chips)
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elif dealer_hand.value < player_hand.value:
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player_wins(player_hand, dealer_hand, player_chips)
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if player_hand.value > 21:
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player_busts(player_hand, dealer_hand, player_chips)
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print("\nPlayer's winnings stand at", player_chips.total)
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new_game = input("\nWould you like to play again? Enter 'y' or 'n': ")
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if new_game[0].lower() == 'y':
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playing = True
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continue
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else:
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print("\nThanks for playing!")
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break
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