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Python BlackJack Game Tutorial (Part 1) – Web Dev 'N Design
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In this tutorial, we'll cover how to build a command line game python blackjack oop playing Blackjack using Python!
You'll get to build the game from start to finish, and when you're python blackjack oop, you'll have a fully functioning game to play from the command line.
While building the game, we'll explore a few handy Python concepts, such as object-oriented programming using classes and how to manage a game loop.
This tutorial is also extracted from an entire course on building a Blackjack game using a graphical user environment GUIwhich you can check out if you're interested.
Blackjack is a gambling game that requires only a deck of cards.
In Blackjack, numbered cards 2 through 10 are worth their face value, picture cards jack, queen, and king are worth 10, and an ace is worth either 1 or 11 depending on your other cards.
To start a hand, players place their bets and are dealt two cards face up.
They can choose to "hit" receive another card or "stick" stay with their current hand as they attempt to get as close as possible to 21.
If they chose to hit and go over 21, they "bust" and lose the hand and the money they bet!
Players face off against the dealer, who starts with one card face down and one face up.
When all players have chosen to stick or have busted, the dealer then flips over their hidden card and either hits or sticks, their goal being to get a higher hand than any of the players.
If the dealer busts, they pay out the value of each player's wager to that player, provided that the player hasn't already busted.
They also need to pay out if they don't get a higher hand than a player.
There are a lot of other rules of course!
Okay, let's get started with some coding!
Installing Python If you don't already have Python installed on your computer, you'll need to do so based on the python blackjack oop />If you'd rather avoid that, you can grab an online coding sandbox with Python and other necessary libraries pre-installed sign in required.
Defining Classes Before we begin coding our blackjack game, it's important we cover how we'll use object-oriented programming, since we will need to utilize classes for our game.
We will begin by defining the classes that will be used in order to separate out different aspects of the game of blackjack.
The deck shrinks as cards are drawn and contains 52 unique cards.
A hand is what defines each player's score and thus who wins.
Let's begin with the simplest concept: the Card.
The Card class Define blackjack verb Card class will be the first class we define, as both of our other classes will need to use it.
Create a Python file called blackjack.
This will allow us to shuffle our virtual deck of cards at the beginning of every game.
Our first class will be one representing the playing cards.
Each card will have a suit hearts, diamonds, spades, and clubs and a value ace through king.
Our function will return the value and the suit, for example, King of Spades.
That's all we need to do for a Card!
Next up, we need to create a Deck of these Card classes.
The Deck class The Deck will need to contain 52 unique cards and must be able to shuffle itself.
It will also need to be able to deal cards and decrease in size as cards are removed.
Create the Deck class in the blackjack.
We achieve this by using a list comprehension containing lists of every suit and value.
We pass each combination over to the initialization for our Card class to create 52 unique Card instances.
Our Deck will need to be able to be shuffled so that every game is different.
We use the shuffle function in the random library to do this for us how fitting.
To avoid any potential errors, we will only shuffle a deck which still python blackjack oop two or more cards in it, since shuffling one or zero cards is pointless.
After click, we will need to deal cards too.
We utilize the pop function of a list which is the data structure holding our cards to return the top card and remove it from the deck so that it cannot be dealt again.
That's it for the Deck class!
The final utility class to be created for our game to work is the Hand.
All players have a hand of cards, and each hand is worth a numerical value based on the cards it contains.
The Hand class A Hand class will need to contain cards just like the Deck class does.
It will also be assigned a value by the rules of the game based on which cards it contains.
Since the dealer's hand should only display one card, we also keep track of whether the Hand belongs to the dealer to accommodate this rule.
Start with the below to create the Hand class in the blackjack.
When adding a card to the hand, we simply add the Card instance to our cards list.
This is intentional and done below too!
This way, you don't need to perform the indents yourself and can focus on reading the instructions and code instead of chasing down whitespace errors.
In this code, we first initialize the value of the python blackjack oop to 0 and assume the player does not have an ace since this is a special python blackjack oop />Once this is done, we check to see if there was an blackjack guide mwo and the increase of 11 points brought the hand's value over 21.
If so, we make the ace worth 1 point instead by subtracting 10 from the hand's value.
Now, we need some way for the game to display each hand's cards, so we use a simple function to print each card in the hand, and the value of the player's hand too.
The dealer's first card is face down, so we print hidden instead: def display self : if self.
The Game Loop We will define the game's main loop within its play method, so that to start a game, you will simply need to create an instance of the Game class and call.
We can use the display method on our Hand instances to print this to the screen.
This marks the end of the code that needs to run at the beginning of every new game.
Now, we enter a loop that will run until a winner is decided.
If either player has been dealt an ace and a picture card, their hand will total 21, so they automatically win.
We need to check whether either hand totals 21, which we will do using two if statements.
If either has a hand value of 21, their Boolean is changed to True.
If either of the Booleans are True, then we have a winner, and will print the winner to the screen and continue, thus breaking us out of the game loop.
This will always return us a string containing the text the user typed into the command line.
Since we have a string, we can cast the user's input to lowercase using the lower function to avoid having https://yournaughtystory.com/blackjack/does-counting-cards-really-work-in-blackjack.html check combinations of upper case and lower case when parsing their reply.
Since their total has changed, we will now need to check whether python blackjack oop are over the allowed limit of 21.
Okay, now let's handle when the player decides to stick with their hand.
If they do this, it's time for their score to be compared with the dealer's.
This means we will only get into this block when the user wants to stick.
The value of both the player's and the see more hand are printed to the screen to give the final results.
We then compare the values of each hand to see which is higher.
If the player's hand is a higher value than the dealer's, we print You Win!.
If the scores are equal, then we have a tie, so we print Tie!.
Otherwise, the dealer must have a higher hand than the player, so we show Dealer wins!.
That completes the logic required for a user to play a single game.
If the player answers with n, we thank them for playing and set our playing Boolean to False, thus breaking us out of the main game loop and ending the program.
This will take us right click the following article to the top at self.
Running the Game We've completed the game!
Now, it's time to run this code.
You can start the game by typing python3 blackjack.
Wrapping Up Congrats on working your way what does in blackjack this tutorial!
In it, we covered how to build handy concepts like object-oriented programming, game flow design, and even the basics of Blackjack.
If you got stuck, the complete solution for this project can be found.
You can also launch an online coding sandbox with it preloaded.
Two limitations of this game are that the dealer will never hit and there is no concept of betting.
Feel free to add these features yourself if you'd like!
Because a dealer is required to hit or stick at certain hand values, you can develop a program that mimic the dealer exactly.
You can also check out the behind this tutorial, if you'd like!
I'm Saul, the founder and CEO of Next Tech.
I've been programming since I was a kid and love to share my findings, thoughts, and the occasional rant about the software industry.
Hey man, it's cool, you know I followed your blog too when constructing my BlackJack project.
I like the user interface a lot.
I hope you don't mind that I've put together a little embedded https://yournaughtystory.com/blackjack/blackjack-at-casinos.html of your project below that people can run directly from dev.
We strive for transparency and don't collect excess data.

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I'm trying to use OOP to create a blackjack game and every time I call the blackjack or bust python blackjack oop, it reprints the the hand click of the player and dealer ever.
I figure it has python blackjack oop do with the Hand class being initialized, but I'm not sure what the work around is there.
So what happens here is that playerHand.
Therefore, the elif dealerHand.
In order to fix this you'll have to return True or False, according to your needs.
Thank you for that.
But after fixing that it seems that the problem still occurs when I call bust and also when I call dealerHand.
I just found out I had a piece of debugging code that I forgot to comment out which resulted in it constantly printing the cards.
Provide details and share your research!
To learn more, see our.

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Python BlackJack Game Tutorial (Part 1) – Web Dev 'N Design
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University of London This bachelor's python blackjack oop offers 7 concentrations so students can pick where their career goes Get started deeplearning.
Enroll for free This two-part course is designed to help students with very little or no computing background learn the basics of building simple interactive applications.
Our language of choice, Python, is an easy-to learn, high-level computer language that is used in many of the computational courses offered on Coursera.
To make learning Python easy, we have developed a new browser-based programming environment that makes developing interactive applications in Python simple.
These applications will involve windows whose contents pokerstars vip program graphical and respond to buttons, the keyboard and the mouse.
In part 2 of this course, we will introduce more elements of programming such as list, dictionaries, and loops and then use these elements to create games such as Blackjack.
Part 1 of this class will culminate in building a version of the classic arcade game "Asteroids".
Upon completing this course, you will be able to write small, but interesting Python programs.
The next course in the specialization will begin to introduce a more principled approach to writing programs and solving computational problems that will allow you to write larger and more complex learn more here />Skills You'll Learn Python Syntax And Semantics, Logic Programming, Python Programming, Object-Oriented Programming OOP Filled Star Filled Star Filled Star Filled Star Filled Star This was a great course for me.
The projects were fun and challenging.
The video lectures were a little bit funny and well taught.
The progressing level of difficulty was well designed.
Filled Star Filled Star Filled Python blackjack oop Filled Star Filled Star Fantastic course, pleasantly surprised at top quality lessons and you can really see that the instructors love to teach the course also.
Would recommend to anyone interested in learning coding.
I'm going to actually show you the rules of Blackjack, and then we're going to talk about how you would take a game like Blackjack and turn it into an object oriebted program.
Specifically we're going to look at the different types that you would need to implement and think about why you would want to implement those types.
Now I want to stress, there's no perfect way of doing this.
Like all programming, it's an art not a science.
So you have to think about the design decisions that you're going to make and because of this we're going to actually show you why we're picking things.
And so I'm going to tell you why, and in fact, Joe is also going to tell you why.
So hopefully by getting the different perspectives and seeing one way of designing this program, you're going to get some insight in how we think about object oriented programs.
Now, first, you have to understand the rules of Blackjack and the game of Blackjack before we can actually discuss how you're going to implement Blackjack.
So, let's play some Blackjack.
In week six, we're going to build a computer implementation of the card game Blackjack.
So Blackjack is a gambling game that's played in Las Vegas.
It uses a standard deck of cards, or a non-standard deck of cards as we have here with the ones that John provided us.
It's a game where a player plays against a dealer.
The dealer usually represents the casino.
The object of the game is to get a hand of cards whose value sums up to as close to 21 without going over.
So let's just play a hand here and we'll kind of go through the mechanics of the game.
So what I'm going to do is I'm going to deal out a card to Scott, and I'm going to deal out a card face down to me, I'm going to deal out another card to Scott, face up, I'm going to deal another card to me face up.
And the way the game works is Scott gets to go first, and he has two options, he can either stand or hit.
Hitting requires me to give him another card.
The cards have values.
Face cards have value ten, numerical cards have their numerical value.
And then aces have a special value, they can be chosen to either be one or 11, the player's option.
So at this point, Scott's gotta finish drawing all of his cards hitting, and he can stand at any point.
If he goes over 21, he busts and immediately loses the hand.
Then at that point I'll go through and I javascript blackjack github my hand and as dealer I have no choice in how I play it.
I always hit if I have a value less than 17, and I always stand if I have a value greater than 17.
So I think at this point we're ready to go ahead, so Scott?
And I have 21, so I'm going to stay.
So I'm going to turn my card over, and I have a 14, lucky me, so let's see I'm going to have to get a seven or automatically lose the hand.
So I have a queen so my hand now is 14 plus ten is 24 so I'm busted, so Scott wins.
We'll come back in a little while and we'll actually play a game for some higher stakes and set a very nice deck.
I also probably have a little bit of credibility, right?
I now won a game of Blackjack, I want to point that out yet again.
And I also want to point out one more thing before stratégies blackjack get started here, notice how I won and Joe didn't pay up.
I want you to keep that in mind as you watch some https://yournaughtystory.com/blackjack/is-blackjack-21-pokerist.html videos.
Anyway, so how do we implement Blackjack?
We're going to implement this as an object oriented program.
And the first part of the design process for any object oriented program is to think about what new types I'm going to need.
So what do I need to implement the game of Blackjack?
Well, I'm going to argue that I need a card of some sort.
I need a hand to represent to both the dealer's hand and the player's hand.
And I need a deck of cards.
And I think this is pretty much all that we need, right?
These are the physical objects that occur in the game of Blackjack, and so they're going to have analogs inside of our program.
So let's talk about what these types actually are.
So what's a card?
Well, a card can be represented as a rank and a suit, so the ace of spades, all right.
And you probably also want an image associated with a card.
That's what I'm opinion cool math blackjack consider to draw on the screen when I actually have that card.
All right, so that's all there is to a card really.
Hand, what is a hand?
Well, I'd argue that a hand is simply a collection of cards.
And what is a deck?
Well, a deck is also a collection of cards.
Now, if I look at these data types I might think, well, there's really only two types, right.
There's a thing that's a rank and a suit and an image.
And then there's a thing that's a collection of cards.
But this is not all there is to defining a type.
A chances calculator is both the data that is encapsulated inside that type and the behaviors that you can perform on that data.
So what can I do with a card?
I can't really do much with a card.
Maybe I could rip the card.
Of course I'd probably get thrown out of the casino if I go around ripping cards.
So really probably only behaviors of a card is I can look at the rank, I can look at python blackjack oop suit, and I can draw the image.
So it's not that interesting.
What about a hand, what can I do with a hand?
Well, a hand has more interesting behaviors.
I can perhaps hit, right, add a card to the hand.
I could score the hand, figure out what it's worth.
Right, maybe it's worth 21 and I know that I don't need to hit anymore.
Okay, so I need these behaviors, at least.
What about a deck, what can I do with a deck?
Well, I would argue that you can shuffle a deck.
You can deal python blackjack oop card, right, when the player hits or when you deal in the beginning.
Okay, so now it becomes a little more obvious that there are three different types here.
I have the card, which I think we've discussed, and then I have a hand and a deck, both of which are collections of cards, but both of which have different behaviors.
It doesn't make sense to shuffle a hand or to deal a hand.
And it doesn't make sense to hit the deck or to score the deck.
So I have independent behaviors.
With that, we have three different types that we're going to want to implement for our Blackjack card game.
They each have different behaviors associated with them.
And so now we're well on our way to designing our Blackjack card game.
So what I'd like to do is provide a little perspective as somebody who's not as an experienced a programmer in terms of object oriented design, to give you my insight as the rationale behind why we should learn more about OO design.
So I've programmed for a long time.
I've been a programmer for 30 years in C and Cand a lot of mathematics.
But one of the things about the way I build code is I typically build code for myself.
I might work with another student.
So, the things and the practices that I follow as a programmer are not necessarily those that are optimal for working in larger projects.
So what I'm going to do is I'm going to talk a little bit about my experiences in building the Blackjack project.
And some of the python blackjack oop that Scott and I had concerning how to design an appropriate class structure for Blackjack.
About three months ago as Scott got CodeSkuptor online I sat down and started implementing Blackjack.
And so my first implementations were short and sweet.
My goal was to keep the number of lines small and have it produce a python blackjack oop game.
Scott's been looking over my code, thinking about it from the OO's point of view.
And he's noted that some of the design decisions that I made in terms of how I set up classes in here, probably weren't optimal.
But what does it mean for them not to be optimal?
In OO design, one of the primary objectives is to facilitate code reuse.
If you build your OO design correctly, you can take the code that you built, you can pull it out and use it in some other project.
So, for example in Blackjack, I built the hand class, I built the card class.
Now, the card class was, I had a rank and a suit, but I also included a value field.
And Scott pointed out, well, cards really don't have a value field, they don't have a value from one to 11.
Now if you want to build a card class that's going to be able to be used in other card games, you should really not put that in there.
For example, I want to use it in poker, well, poker doesn't have a proboat blackjack 24 unboxing />So he suggested that I pull that value computation back into a hand class and think of it as a hand class for Blackjack, a Blackjack hand.
Now that's the place where I can place computations about the value of the hand.
And again, Scott pointed out that probably a better design decision there would to build a deck class that would create decks of cards, python blackjack oop have methods for things like shuffle and deal, or things like that, that allow you to abstractly interact with the class.
That would allow you to use these methods, again, this has something like a poker game.
In fact, this whole idea about abtraction, what you do is you separate how the object is implemented versus how you interact with it, the methods.
It's kind of a nice idea, it allows you when you're building your code to hide the details that other might not need to know.
How I implement a deck, well it's not so important as long as I have a correct class submit that's for you to work with.
I can just not even tell you how I implemented the deck of cards.
So those are a couple of observations about how object oriented design should work.
So, we've talked a lot about Blackjack now and how you might build an object oriented version, or rather how you may design an object oriented version, of the game.
I just wanted to briefly show you some code.
We're going to walk over this again when we do the mini project runthrough, but just for now to finish up this video.
Here's my hand class, here's my deck class, so you can see I have class hand, and then I have a bunch of methods.
I have an initalizer I can turn it into a string.
I could add a card to a hand.
I could get the value of a hand.
I could check if the hand is busted if I have over 21.
And I can actually draw it on the canvas.
Similarly I have a deck.
I initialize, I could shuffle, I can deal And I need a third class of card okay.
So I think this should be straightforward after having seen the lectures on object oriented programming.
Then we talked about the three different classes that you might want, and I just wanted to show you, hey, here's what a piece of code might look like.
Again we're going to spend more time on this when we describe the https://yournaughtystory.com/blackjack/blackjack-media-group.html project.

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How to make a blackjack game by using object-oriented programming in Python - Quora
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Siento que la mejor manera de aprender es practicar.
Necesito ayuda para revisar mi código, para eliminar this web page código redundante, simplificar la implementación y mejorar la calidad del código en general.
Por favor, hágamelo saber sus pensamientos, cualquier comentario es bienvenido.
The minimal bet is 1 chip.
New balance is %d.
There's no balance to support more players.
See you next time.
Please enter the chip balance: 1-1000 100 Please enter the number of players: 1-8 4 Let's get started.
The minimal bet is 1 chip.
New balance is 98.
The minimal bet is 1 chip.
New balance is 96.
The minimal bet is 1 chip.
New balance is 94.
The minimal bet is 1 chip.
New balance is 92.
Do you want to continue?
See you next time.
El código generalmente se ve bien.
La jerarquía de herencia es rara: Dealer es un Hand?
Prefiero python blackjack oop que un distribuidor tiene una mano.
Player es un Dealer?
Eso suena al revés, más bien, un distribuidor es un jugador.
La negociación desde el inicio de la matriz requiere que todas python blackjack oop tarjetas se desplacen, eso es una gran cantidad de copias innecesarias.
Es read article poco sorprendente que haga más: también premia las ganancias.
Ganar el doble de su apuesta para un Blackjack es inusualmente generoso.
Normalmente, solo ganas 1.
No quiero inicializar un objeto distribuidor que incluya demasiados atributos y métodos no utilizados.
Por lo general, el blackjack gana 1.

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Volume 144 – No.7, June 2016. 7. Blackjack Game using Object Oriented Programming. Methodology and Python. Harshad Naik. Computer and IT Department.


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Python OOP Tutorials - Working with Classes

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Essentially I'm re-learning OOP from Python Programming for the Absolute Beginner (3rd ed.). The exercise is a blackjack game. The issue: I've made an error ...


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Interactive Python Stream, Coding Blackjack - Engineer Man Live - Feb 2019 #2

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Let's assume that the deck is a standard 52-card set like you might see used in a blackjack or poker game. If so, the design might look like this: The structure is ...


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Implementar Blackjack en Python con OOP
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University of London This bachelor's degree offers 7 concentrations so students can pick where their career goes Get started deeplearning.
Enroll for free This two-part course is designed to help students with very little or no computing background learn the basics of building simple interactive applications.
Our language of choice, Python, is an easy-to learn, high-level computer language that is used in many of the computational courses offered on Coursera.
To make learning Python easy, we have developed a new browser-based programming environment that makes developing interactive applications in Python simple.
These applications will involve windows whose contents are graphical and respond to buttons, the keyboard and the mouse.
In part 2 of this course, we will introduce more elements of programming such as list, dictionaries, and loops and then use these elements to create games such as Blackjack.
Part 1 of this class will culminate in building a version of the classic arcade game "Asteroids".
Upon completing this course, you will be able to write small, but interesting Python programs.
The next course in the specialization will begin to introduce a more principled approach to writing programs and solving computational problems that will allow you to write larger and more complex programs.
Skills You'll Learn Python Syntax And Semantics, Logic Programming, Python Programming, Object-Oriented Programming OOP Filled Star Filled Star Filled Star Filled Star Filled Star This was a great course for me.
The projects were fun and challenging.
The video lectures were a little bit funny and well taught.
The progressing level of difficulty was well designed.
Filled Star Filled Star Filled Star Filled Star Filled Star Fantastic course, pleasantly surprised at top quality lessons and you can really see that the instructors love to teach the course also.
Would recommend to anyone interested in learning coding.
I'm going to actually show you the rules of Blackjack, and then we're going to talk about how you would take a game like Blackjack and turn it into an object oriebted program.
Specifically we're going to look at the different types that you would need to implement and think about why you would want to implement those types.
Now I want to stress, there's no perfect way of doing this.
Like all programming, it's an art not a science.
So you have to think about the design decisions that you're going to make and because of this we're going to actually show you why we're picking things.
And so I'm going to tell you why, and in fact, Joe is also going to tell you why.
So hopefully by getting the different perspectives and seeing one way of designing this program, you're going to get some insight in how we think about object oriented programs.
Now, first, you have to understand the rules of Blackjack and the game of Blackjack before we can actually discuss how you're going to implement Blackjack.
So, let's play some Blackjack.
In week six, we're going to build a computer implementation of the card game Blackjack.
So Blackjack is a gambling game that's played in Las Vegas.
It uses a standard deck of cards, or a non-standard deck of cards as we have here with the ones that John provided us.
It's a game where a player plays against a dealer.
The dealer usually represents the casino.
The object of the game is to get a hand of cards whose value sums up to as close to 21 without going over.
So let's just play a hand here and we'll kind of go through the mechanics of the game.
So what I'm going to do is I'm going to deal out a card to Scott, and I'm going to deal out a card face down to me, I'm going to deal out another card to Scott, face up, I'm going to deal another card to me face up.
And the way the game works is Scott gets to go first, and he has two options, he can either stand or hit.
Hitting requires me to give him another card.
The cards have values.
Face cards have value ten, numerical cards have their numerical value.
And then aces have a special value, they can be chosen to either be one or 11, the player's option.
So at this point, Scott's gotta finish drawing all of his cards hitting, and he can stand at any point.
If he goes over 21, he busts and immediately loses the hand.
Then at that point I'll go through and I play my hand and as dealer I have no choice in how I play python blackjack oop />I always hit if I have a value less than 17, and I always stand if I have a value greater than 17.
So I think at this point we're ready to go ahead, so Scott?
And I have 21, so I'm going to stay.
So I'm going to turn my card over, and I have a 14, lucky me, so let's see I'm going to have to get a seven or automatically lose the hand.
So I have a queen so my hand now is 14 plus ten is 24 so I'm busted, so Scott wins.
We'll come back in a little while and we'll actually play a game for some higher stakes and set a very nice deck.
I also probably have a little bit of credibility, right?
I now won a game of Blackjack, I want to point that out yet again.
here I also want to point out one more thing before we get started here, notice how I won and Joe didn't pay up.
I want you to keep that in mind as you watch some future videos.
Anyway, so how do we implement See more />We're going to implement this as an object oriented program.
And the first part of the design process for any object oriented program is to think about what new types I'm going to need.
So what do I need to implement the game of Blackjack?
Well, I'm going to argue that I need a card of some sort.
I need a hand to represent to both the dealer's hand and the player's hand.
And I need a deck of cards.
And I think this is pretty much all that we need, right?
These are the physical objects that occur in the game of Blackjack, and so they're going to have analogs inside of our program.
So let's talk about what these types actually are.
So what's a card?
Well, a card can be represented as a rank and a suit, so the ace of spades, all right.
https://yournaughtystory.com/blackjack/fans-battle-pokerstars-password.html you probably also want an image associated with a card.
That's what I'm going to draw on the screen when I actually have that card.
All right, so that's all there is to a card really.
Hand, what is a hand?
Well, I'd argue that a hand is simply a collection of cards.
And what is a deck?
Well, a deck is also a collection of cards.
Now, if I look at these data types I might think, well, there's really only two types, right.
There's a thing that's a rank and a suit python blackjack oop an image.
And then there's a thing that's a collection of cards.
But python blackjack oop is not all there is to defining a type.
A type is both the data that is encapsulated inside that type and the behaviors that you can perform on that data.
So what can I do with a card?
I can't really blackjack review bovada much with a card.
Maybe I could rip the card.
Of course I'd probably get thrown out of the casino if I go around ripping cards.
So really probably only behaviors of a card is I can look at the rank, I can look at the suit, and I can draw the image.
So it's not that interesting.
What about a hand, what can I do with a hand?
Well, a hand has more interesting behaviors.
I can perhaps hit, right, add a card to the hand.
I could score the hand, figure out what it's worth.
Right, maybe it's worth 21 and I know that I don't need to hit anymore.
Okay, so I need these behaviors, at least.
What about a deck, what can I do with a deck?
Well, I would argue that you can shuffle a deck.
You can deal a card, right, when the player hits or when you deal in the beginning.
Okay, so now it becomes a little more obvious that there are three different split 10 blackjack here.
I have the card, which I think we've discussed, and then I have a hand and a deck, both of which are collections of cards, but both of which have different behaviors.
It doesn't make sense to shuffle a hand or to deal here hand.
And it doesn't make sense to hit the deck or to score the deck.
So I have independent behaviors.
With that, we have three different types that we're going to want to implement for our Blackjack card game.
They each have different behaviors associated with them.
And so now we're well on our way to designing our Blackjack card game.
So what I'd like to do is provide a little perspective as somebody who's not as an experienced a programmer in terms of object oriented design, to give you my insight as the rationale behind why we should learn more about OO design.
So I've programmed for a long time.
I've been python blackjack oop programmer for 30 years in C and Cand a lot of mathematics.
But one of the things about the way I build code is I typically build code for myself.
I might work with another student.
So, the things and the practices that I follow as a programmer are not necessarily those that are optimal for working in larger projects.
So what I'm going to do is I'm going to talk a little bit about my experiences in building the Blackjack project.
And some of the discussions that Scott and I had concerning how to design an appropriate class structure for Blackjack.
About three months ago as Scott got CodeSkuptor online I sat down and started implementing Blackjack.
And so my first implementations were short and sweet.
My goal was to keep the number of lines small and have it produce a nice game.
Scott's been looking over my code, thinking about it from the OO's point of view.
And he's noted that some of the design decisions that I made in terms of how I set up classes in here, probably weren't optimal.
But what does it mean for them not to be optimal?
In OO design, one of the primary objectives is to facilitate code reuse.
If you build your OO design correctly, you can take the code that you built, you can pull it out and use it in some other project.
So, for example in Blackjack, I built the hand class, I built the card class.
Now, the card class was, I had a rank and blackjack casino cheat suit, but I also included a value field.
And Scott pointed out, well, cards really don't have a value field, they don't have a value from one to 11.
Now if you want to build a card class that's going to be able to be used in other card games, you should really not put that in there.
For example, I want to use it in poker, well, poker doesn't have a value.
So he suggested that I pull that value computation back into python blackjack oop hand class and think of it as a hand class for Blackjack, a Blackjack hand.
Now that's the place where I can place computations about the value of the hand.
And again, Scott pointed out that probably a better design decision there would to build a deck class that would create decks of cards, and have methods for things like shuffle and deal, or things like that, that allow you to abstractly interact with the class.
That would allow click the following article to use these methods, again, this has something like a poker game.
In fact, this whole idea about abtraction, what you do is you separate how the object is implemented versus how you interact with it, the methods.
It's kind of a nice idea, it allows you when you're building your code to hide the details that other might not need to know.
How I implement a deck, well it's not so important as long as I have a correct class submit that's for you to work https://yournaughtystory.com/blackjack/what-is-counting-cards-in-blackjack.html />I can just not even tell you how I implemented the deck of cards.
So those are a couple of observations about how object oriented design should work.
So, we've talked a lot about Blackjack now and how you might build an object oriented version, or rather how you may design an object oriented version, of the game.
I just wanted to briefly show you some code.
We're going to walk over this again when we do the mini project runthrough, but just for now to finish up this video.
Here's my hand class, here's my deck class, so you can see I have class hand, and then I have a bunch of methods.
I have an initalizer I can turn it into a string.
I could add a card to a hand.
I could get the value of a hand.
I could check if the hand is busted if I have over 21.
And I can actually draw it on the canvas.
Similarly I have a deck.
I initialize, I could shuffle, I can deal And I need a third class of card okay.
So I think this should be straightforward after having seen the lectures on object oriented programming.
Then we talked about the three different classes that you might want, and I just wanted to show you, hey, here's what a piece of go here might visit web page like.
Again we're going to spend more time on this when we describe the mini project.

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我覺得最好的學習方法是练习.我用Python編寫了一个簡單的Blackjack遊戲,支援.


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