Услуги системных аналитиков в Воронеже

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Помощь студену. Срочно помочь студенту сделать контрольные. Learning outcomes Note : Subclass Strategic Player is for Grade 12 Only. By the end of this project, you will be able to: design a parent class that defines a shared common interface for all child classes to share make design decisions about what goes into a parent class vs. a child class design a subclass that extends its parent class by overriding a method from its parent class, or adding a new method in a subclass method, call the corresponding method in the parent class to do part of the work Task 1: Play a game In this project you'll write code to play a simple number game. This game can be played with two or more players. When the game starts, there is a count that begins at 0. On a player's turn, they add to the count an integer that must be between a set minimum and a set maximum. The player whose move causes the count to be greater than or equal to a set goal amount is the winner. Here's a sample game with two players, where the goal is 21, the minimum move is 1, and the maximum move is 3. Laura is the winner. Sample game of Nim. Adam Laura count 0 2 2 3 5 3 8 1 9 3 12 3 15 1 16 1 17 3 20 1 21 download module : nim_no_classes.pyDownload nim_no_classes.py This is a simple version of the number game (named Nim) that you can play by yourself! This implementation does not use any classes, and is very, very limited in its functionality. Task 2: Become familiar with class NumberGame Download module Links to an external site.project.pyDownload project.py Read the NumberGame class carefully and answer the following questions about it. Note that the entire class is provided for you, and your job here is to understand it—in other words, you're practicing your code reading skills. What attribute stores the players of the game? If turn is 15, whose turn is it? Write a line of code that would create an instance of NumberGame that violates one of the representation invariants. Which of the representation invariants is it possible to violate by constructing a NumberGame improperly? List all the places in this class where a Player is stored, an instance attribute of Player is accessed or set, or a method is called on a Player Task 3: Become familiar with function main Now look at function main and answer these questions: Where is a NumberGame constructed? This function calls g.play repeatedly in a loop. What parts of the game can change each time g.play is called: the goal, the min or max move, the players, the moves? List all the places in this function where a Player is stored, an instance attribute of Player is accessed or set, or a method is called on a Player. Task 4: Plan a Player class and 3 subclasses Since you have found all the places where a Player is used, you know the attributes and methods it must provide as its public interface. You could complete the program by writing a single class Player with methods that provide these. But we're going to have three different kinds of player. They will have some things in common, but they will differ on how they choose a move: A random player will pick a random move from among the legal possibilities. A user player will prompt the user to select a move rather than having the computer choose the move. A strategic player will choose the best possible move. (Did you come up with a good strategy earlier?) Rather than make three unrelated classes, we are going to define a parent class called Player and make three child classes. Get out some paper and write down the four class names Player, RandomPlayer, StrategicPlayer, and UserPlayer with lots of space below each in which to describe their data and their methods. You are going to make a simple diagram like UML.pdfDownload UML.pdf You already identified which methods are needed based on your reading of the starter code. Decide which methods belong in which class and add them to the appropriate spot in your diagram. What information must be stored in order for these methods to provide their services? Don't worry about attribute names or types yet, just describe the information in plain English. Decide which pieces of information belong in which class and add them to the appropriate spot in your diagram. Task 5: Write class Player Now write the abstract class Player. You will probably be able to implement some methods completely. Other methods you won't be able to complete at all—they are abstract. In those methods, the body should simply say raise NotImplementedError Be sure to include a complete class docstring. (You can look at class NumberGame for a reminder of what they look like.) Your docstring should warn that the Player class is abstract and should not be instantiated. You do not need to include doctest examples. Task 6: Implement class RandomPlayer Now that we have a Player class, we need one or more child classes that can complete its unimplemented method(s). Implement class RandomPlayer as a subclass of Player. Any Player methods that were not implemented must be overridden here in class RandomPlayer. We have imported module random for you. You will find the function random.randint handy—if you aren't sure how to use it, import it in the Python console and call help on it to learn more! Task 7: Make the whole thing run Even though you only have one kind of player, you can still make the program run. Fill in the missing part in make_player to so that it creates a RandomPlayer. (Later, we'll let the user choose from among the three types of player.) Run your game! It should be fun to watch two random players battle it out. There will likely be small glitches to fix, but they will be things like forgetting an argument, and shouldn't be hard to fix. Read the error messages carefully—they include very precise information about what's wrong. Task 8: Add class UserPlayer Now implement UserPlayer. Ensure that the user's moves are legal. Once you have UserPlayer done, update make_player so it gives the user a choice between the two kinds of player that you have implemented. Try playing your game with one user player and one random player. We hope you can beat the random player! A strategic player Next, add class StrategicPlayer. If you haven't figured out a winning strategy yet, discuss it with some other students. You should be able to figure out a strategy for the game with goal 21, minimum move 1 and maximum move 3 that will guarantee you win if you go first. Even if you go second, if your opponent makes a poor choice you can guarantee a win. If you have that "21-1-3" version of the game figured out, try generalizing the strategy to work for any goal, minimum and maximum. (How should you design the code if you can only offer a StrategicPlayer for the 21-1-3 version of the game?) Once you have StrategicPlayer implemented, update make_player one last time to give the user the choice of this third kind of player. Try running the game with a strategic and a random player. Does the strategic one always win? Tracking and reporting a player's record Because our program allows many rounds of the game to be played, it would be nice to track the record of each player: how many games the player has played, and how many of those games they won. Add to your code to keep track of this information, using new attributes on the Player class to do so. Then, add a method to the Player class to report the player's name and record. But there's a twist! Rather than calling the method like so: print(p1.report()) wouldn't it be nice to say just: print(p1) In fact you can! If you name your method __str__ and make it return a string, Python will automatically call it whenever you ask to print an object of this type. __str__ is one of Python's "special methods." These are methods that you can call using special syntax or built-in functions like print rather than the usual dot notation. Even more strategies Try to generalize your StrategicPlayer to work when there are more than two players. Is this even possible?! Read more about the classic game this project is based on this linkLinks to an external site. Bellow you can find the code in python files . if you could not open the python files you can copy paste in your pycharm.ещё