Question

Python Programming

Write a simple implementation of a card deck to deal cards out randomly. Your Deck class will contain a list of card objects. Initially, the deck will contain one instance of each of the 52 possible cards. Your deck should implement a deal() method that chooses a random location from the list and "pops" that card. You should also implement a cardsLeft method that tells how many cards are left in the deck.

Please type code and include screenshots of output of the code. Also code must be well commented.

Answer 1

Thanks for the question, here is the complete code screenshot and comments for this project. Have added detailed comments so that you can follow each line of code precisely.

Let me know in case you find anything unclear.

thanks a lot !

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# need this module to geenerate random number for the card location
import random
# class Card
class Card():
    # contains two variable one rank and one suit name
    def __init__(self, rank, suit):
        self.rank = rank
        self.suit = suit
    # returns the rank name
    def getRank(self): return self.rank
    # returns the suit
    def getSuit(self): return self.suit
    # when we print the card object we print the full description of the card
    def __str__(self):
        rank_names = {'2': '2', '3': '3', '4': '4', '5': '5', '6': '6', '7': '7', '8': '8', '9': '9', 'T': 'Ten',
                      'J': 'Jack', 'Q': 'Queen', 'K': 'King', 'A': 'Ace'}
        suit_names = {'D': 'Diamond', 'S': 'Spades', 'C': 'Clubs', 'H': 'Heart'}
        return '{} of {}'.format(rank_names.get(self.rank), suit_names.get(self.suit))
class Deck():
    # class variables
    suits = ['D', 'H', 'S', 'C']
    ranks = ['2', '3', '4', '5', '6', '7', '8', '9', 'T', 'J', 'Q', 'K', 'A']
    def __init__(self):
        self.cards = [] # contains a list that will hold the Card object
        # for each suit and for each rank create an object of Card
        # and append that to the list
        for suit in Deck.suits:
            for rank in Deck.ranks:
                card = Card(rank, suit)
                self.cards.append(card)
    # deal a random card
    def deal(self):
        # keep dealing until we have a card in the list
        if len(self.cards) != 0:
            # generate a random number between 0 and last index-1
            location = random.randint(0, len(self.cards)-1)
            # return the card at that index also removing the card from the list at the same time
            return self.cards.pop(location)
        else:# if there are no card return None
            return None
    def cardsLeft(self):
        return len(self.cards)
# create an object of Deck class
deck = Deck()
# we are running aloop 1o times
for _ in range(10):
    # in every iteration we deal one card from the deck object
    print('Card deal: {}'.format(deck.deal()))
    # we print the number of cards left in the deck
    print('Cards left: {}'.format(deck.cardsLeft()))