🔥 Polymorphism in Python: Pokémon Battle System

# You must make sure to run all cells in sequence using shift + enter or you might encounter errors
from pykubegrader.initialize import initialize_assignment

responses = initialize_assignment("12_pokemon_polymorphism_q", "week_7", "readings", assignment_points = 18.0, assignment_tag = 'week7-readings')

# Initialize Otter
import otter
grader = otter.Notebook("12_pokemon_polymorphism_q.ipynb")

🔥 Polymorphism in Python: Pokémon Battle System#

In the Pokémon universe, different Pokémon species share common actions like attacking, using abilities, and evolving, but they execute these actions in different ways depending on their type.

This is similar to polymorphism in Python, where multiple classes can share the same method names but implement them differently. For example, both Charizard and Pikachu can use the attack() method, but Charizard might use Flamethrower, while Pikachu uses Thunderbolt.

Let’s explore how polymorphism allows us to create flexible and reusable Pokémon battle systems in Python!

# Run this block of code by pressing Shift + Enter to display the question
from questions._12_pokemon_polymorphism_q import Question1
Question1().show()

# Run this block of code by pressing Shift + Enter to display the question
from questions._12_pokemon_polymorphism_q import Question2
Question2().show()

# Run this block of code by pressing Shift + Enter to display the question
from questions._12_pokemon_polymorphism_q import Question3
Question3().show()

Question 1 (Points: 11.0): ⚡ Free Response: Implement Polymorphism in a Pokémon Battle System#

Implement a Pokémon battle system using polymorphism:

  • Create a base class Pokemon with:

    • A method attack() that returns "A Pokémon attacks!"

  • Create subclasses Pikachu and Charizard that:

    • Override attack() with "Pikachu uses Thunderbolt!" and "Charizard uses Flamethrower!"

  • Create a function battle(pokemon1, pokemon2) that:

    • Calls .attack() on both Pokémon and prints the results.

    • make sure that each attack is on a differnt line. This can be done using two print statements.

Example Usage#

p1 = Pikachu()
p2 = Charizard()
battle(p1, p2)

Expected Output:

Pikachu uses Thunderbolt!
Charizard uses Flamethrower!

...


# Example usage
p1 = Pikachu()
p2 = Charizard()
battle(p1, p2)

grader.check("Pokemon-Polymorphism-Classes")

Submitting Assignment#

Please run the following block of code using shift + enter to submit your assignment, you should see your score.

from pykubegrader.submit.submit_assignment import submit_assignment

submit_assignment("week7-readings", "12_pokemon_polymorphism_q")