Deck of cards python

Super Simple Python: Generate a Deck of Cards

Super Simple Python is a series of Python projects you can do in under 15 minutes. In this episode, we’ll be covering how to generate a standard deck of cards in about 30 lines of code.

Defining the Cards

A standard deck of 52 cards has 13 values from Two to Ace and four suits: clubs, diamonds, hearts, and spades. Some games run Ace to King, but you can make that adjustment yourself. Let’s begin by defining the card values and the suits. We’ll also make a dictionary to convert from the face cards – Jack, Queen, King, and Ace – to their respective values and back. We may need to use this dictionary later when using the cards in playing a game, like Texas Hold Em. Next we’ll create a card class that holds the two properties of each card, the suit and the value.

# 11 = J, 12 = Q, 13 = K, 14 = A card_values = [2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14] suits = ["clubs", "diamonds", "hearts", "spades"] face_cards = < "J": 11, "Q": 12, "K": 13, "A": 14, 11: "J", 12: "Q", 13: "K", 14: "A" >class Card: def __init__(self, value, suit): self.value = value self.suit = suit

Generating the Card Deck

Now that we have the card values and suits set up, we can generate the deck of cards. Let’s create a generate_cards() function. This function won’t need any parameters, it will simply use the list of values and suits we created earlier to generate a standard deck of 52 cards. We loop through each of the values and each of the suits, you can do this in either order, I chose to loop through the suits values first and the suits inside of that. If the value is one of the face cards, we’ll substitute it with the right letter. Then we append the generated card to the deck. At the end of our nested for loop, we’ll return the list of cards.

def generate_cards(): cards = [] for value in card_values: for suit in suits: if value in face_cards: _card = Card(face_cards[value], suit) else: _card = Card(value, suit) cards.append(_card) return cards

Viewing the Deck

We can’t just print out the cards because they are objects so we wouldn’t see the value and suit inside of each card. So, after we generate the cards, we’ll need to loop through them to actually see the representations.

cards = generate_cards() for card in cards: print(card.value, card.suit)

When we run our program, we should see something like this, but going all the way through King and Ace instead of just up to 9.

Further Reading

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deck_of_cards

A module to create a deck of cards object with which you can interact.

Documentation

Example usage

import the module from deck_of_cards import deck_of_cards

create an instance of DeckOfCards deck_obj = deck_of_cards.DeckOfCards()

add jokers deck_obj.add_jokers()

sort the deck by card value

deck_obj.order_deck() print("\nDeck sorted\n") deck_obj.print_deck() 

give out a random card card = deck_obj.give_random_card()

card objects have the following attributes

card.suit # 0=spades, 1=hearts, 2=diamonds, 3=clubs, 4=joker card.rank # 1=Ace, 11=Jack, 12=Queen, 13=King, 14=B&W Joker, 15=Color Joker card.value # defaults: same as rank card.name # string representation card.image_path = "" # path to an image file corresponding to the card 

insert a new card into the deck

print(len(deck_obj.deck)) card = deck_of_cards.Card((2, 11)) print(card.name) deck_obj.take_card(card) print(len(deck_obj.deck)) 

shuffle the deck

deck_obj.shuffle_deck() print("\nDeck shuffled\n") deck_obj.print_deck() 

add a second deck of cards to the first one

print(len(deck_obj.deck)) deck_obj.add_deck() print(len(deck_obj.deck)) 

Test coverage

============================= test session starts ============================= platform win32 -- Python 3.5.3, pytest-3.6.2, py-1.5.3, pluggy-0.6.0 rootdir: C:\Users\Smoky05\PycharmProjects\deck_of_cards, inifile: plugins: cov-2.5.1 collected 12 items deck_of_cards\test_deck_of_cards.py . [100%] ----------- coverage: platform win32, python 3.5.3-final-0 ----------- Name Stmts Miss Cover ---------------------------------------------------- deck_of_cards\deck_of_cards.py 131 29 78% ========================== 12 passed in 0.15 seconds ========================== 

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How to Make A Deck of Cards With Python Using Object Oriented Programming (OOP)

Python is a fantastic programming language platform that includes OOP benefits. This language mainly uses attributes and methods to define a class that you’ll call later. In this article, we will be learning about “how to make a deck of cards” with the help of OOP in Python. We will also learn some other cool things you can do with the same programming language. Let’s get right into it.

Table of Contents

• What are the Building Blocks of OOP?
• How to make a deck of cards with Python using OOP?
• Conclusion

What are the Building Blocks of OOP?

Before we move to creating deck of cards, let us have a quick look at the building blocks of object oriented programming:

• Classes: Classes are data types that the user specifies.

• Objects: Objects are representations of classes that have been generated with unique data.

• Attributes: The data that is recorded is referred to as attributes. The Class prototype defines the attributes.

• Methods: Methods are used to describe different types of behaviors.

How to make a deck of cards with Python using OOP?

Python certification has a range of advantages over some other programming languages such as Java, C++, and R. It’s a powerful language with various high-level data types. As a result, programming is much quicker than it is for Java or C++. There is no need to declare the variables and arguments used by the coder; thus, Python presents far too many applications in the real world. One of the most interesting of them is to make a deck of cards. It is very easy and fun to make. For making a deck of cards with Python using OOP, follow the given steps:

Step 1: Get your Classes Ready:

There will be three groups in all. A class Card, a class Player, and a class Deck are all appropriate. These will all be inherited from the object. Each class gets its input method. You can use the code below to do the same.

Step 2: Make Your Class Card:

The card will contain a value self and suit. Now create the attributes suit. Set this value to whatever is sent while making a card. Create a new method for displaying the card. Make a string that will print out the suit and value in the show method. You can use the code below to do the same.

print (“<> of <>”.format(slef.value , self.suit))

Creation of card class is done; by creating an instance of a class, we can test this.

Step 3: Create the Class Deck:

Start by making a 52-card deck including four suits ranging from Ace to King. We begin with an init method that creates a cards attribute with just an empty array that we will add to and a construction method to generate our deck. You can use the code below to do the same.

We make a build method that includes in self, and also we want to make 52 cards with four suits. We make a for loop, which loops via “suit.” Now inside the 1st loop, we construct a second for loop that loops through values ranging (1,14).

for s in [“Spades”, “Clubs”, “Diamonds”, “Hearts”] :

Now we have to show the cards.

Step 4: Design a Shuffle Method:

To accomplish this, use the Fisher-Yates shuffle by importing random. After that, we will design a method for shuffling the cards. A loop will be created, which will help us to go from the end of the beginning of the list. You can use the code below to do the same.

for i in range (len(self.cards)-1,0,-1)

self.cards[i] , self.crads[r] = self.cards[r] , self.cards[i]

Call shuffle and display our deck.

Step 5: Make a Draw Card Method:

From the top of the deck, the last card will be removed and returned. You can use the code below to do the same.

Step 6: Create Class Players:

Make a class to set name and empty list with a name attribute and hand attribute, respectively. You can use the code below to do the same.

self. hand. append(deck.drawCard())

Conclusion

That was all; by following the above-given steps, you can design and make a deck of cards. Nowadays, coding is in high demand, and we all know how hard it is to learn it. But, with the right companion, anyone can learn how to code and use Python like a pro.

Python programming is much more understandable and straightforward.

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Poker Hands from a Deck of Cards

Carddeck is composed of four python classes: 1) cards, 2) deck, 3) pokerhands, and 4) errors. It is a concept used to exercise python setup, coding, documenting and packaging for pypi distribution.

Install from PyPi

Example

The defult of five cards in four hands are dealt after creating a deck, and shuffling it.

from carddeck.deck import deck myD = deck() myD.shuffle() myD.deal() myD.printHands() -------- Outout: ['Q♥', '8♥', 'A♥', '2♠', '7♣'] ['4♣', 'K♣', 'J♦', 'J♠', '4♦'] ['4♥', '7♦', '9♥', '2♦', '10♠'] ['2♥', 'Q♣', 'A♦', 'J♣', '5♦'] 

The four hands are evaluated using the PokerHands object.

from carddeck.pokerhands import PokerHands myPH = PokerHands() for i in range(0,len(myD.hands)): theCards = myD.hands[i] theHand = myPH.getHand(theCards) print(theCards, theHand) -------- ['Q♥', '8♥', 'A♥', '2♠', '7♣'] High card: A ['4♣', 'K♣', 'J♦', 'J♠', '4♦'] Two pair: 4 and J ['4♥', '7♦', '9♥', '2♦', '10♠'] High card: 10 ['2♥', 'Q♣', 'A♦', 'J♣', '5♦'] High card: A 

The next deal from the remaining cards can then be evaluated.

myD.deal() for i in range(0,len(myD.hands)): theCards = myD.hands[i] theHand = myPH.getHand(theCards) print(theCards, theHand) -------- ['Q♥', '8♥', 'A♥', '2♠', '7♣'] High card: A ['4♣', 'K♣', 'J♦', 'J♠', '4♦'] Two pair: 4 and J ['4♥', '7♦', '9♥', '2♦', '10♠'] High card: 10 ['2♥', 'Q♣', 'A♦', 'J♣', '5♦'] High card: A 

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