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Blackjack, Part I

Description

Plan how to create a game of blackjack.

Objectives

Learning Objectives

After completing this assignment, you should understand:

  • Object-oriented design.

Performance Objectives

After completing this assignment, you should be able to:

  • Design a system using responsibilities and collaborators.
  • Turn your design into objects.

Details

Deliverables

  • A Git repo called blackjack containing at least:
    • a README.md file explaining your design.
    • a blackjack directory with a file for each of your classes, with their responsibilities and collaborators described in a comment
    • a completed Card and Deck class
    • tests for Cards and Decks

Requirements

  • Passing unit tests
  • No PEP8 or Pyflakes warnings or errors
  • Use the project layout from The Hacker's Guide to Python

Normal Mode

Read through the rules of blackjack carefully. After reading through them, write out the steps to run the game in outline format. (See the additional resources for more on the rules of blackjack.)

After that, go through your steps and find all the actors -- that is, nouns that take actions. Create class-responsibility-collaborator (CRC) cards for each and then create empty classes for each of them with the responsibilities and collaborators at the top as a comment. Here is an example that you might find in blackjack/card.py:

class Card:
    """A playing card.

    Responsibilities:

    * Has a rank and a suit.
    * Has a point value. Aces point values depend on the Hand.

    Collaborators:

    * Collected into a Deck.
    * Collected into a Hand for each player and a Hand for the dealer.
    """

Lastly, implement the Card and Deck classes.

Additional Resources