rock paper scissors python code

Guri Bee

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16-10-2024

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Rock, Paper, Scissors: A Python Code Breakdown

The classic game of Rock, Paper, Scissors is a fun and simple way to introduce game programming concepts. In this article, we'll explore how to create a Rock, Paper, Scissors game using Python, explaining the code step-by-step.

The Foundation: Game Logic

At its core, Rock, Paper, Scissors is a game of defined rules:

• Rock beats Scissors
• Scissors beats Paper
• Paper beats Rock

We need to translate these rules into code. Here's a Python function to determine the winner based on the player's and computer's choices:

def determine_winner(player_choice, computer_choice):
  """Determines the winner of a Rock, Paper, Scissors game.

  Args:
      player_choice: The player's choice (Rock, Paper, or Scissors).
      computer_choice: The computer's choice (Rock, Paper, or Scissors).

  Returns:
      A string indicating the winner ("Player wins", "Computer wins", or "Tie").
  """
  if player_choice == computer_choice:
    return "Tie"
  elif (player_choice == "Rock" and computer_choice == "Scissors") or \
       (player_choice == "Paper" and computer_choice == "Rock") or \
       (player_choice == "Scissors" and computer_choice == "Paper"):
    return "Player wins"
  else:
    return "Computer wins"

Code Explanation:

• determine_winner(player_choice, computer_choice): This function takes two arguments: the player's choice and the computer's choice.
• if player_choice == computer_choice: This checks for a tie.
• elif (player_choice == "Rock" and computer_choice == "Scissors") or ...: This complex condition covers all possible winning scenarios for the player. We use or to combine the conditions.
• else:: If none of the above conditions are met, the computer wins.

Let's Play!

Now, let's create the game's interactive part. We'll use Python's input() function to get the player's choice and random.choice() to generate the computer's random choice.

import random

# Get the player's choice
player_choice = input("Choose Rock, Paper, or Scissors: ").capitalize()

# Computer's choice
possible_choices = ["Rock", "Paper", "Scissors"]
computer_choice = random.choice(possible_choices)

# Print choices
print(f"Player chose: {player_choice}")
print(f"Computer chose: {computer_choice}")

# Determine the winner
winner = determine_winner(player_choice, computer_choice)
print(winner)

Code Explanation:

• import random: Imports the random module for generating random choices.
• player_choice = input(...): Prompts the player for their choice and stores it in the player_choice variable.
• possible_choices = ["Rock", "Paper", "Scissors"]: Defines a list of possible choices.
• computer_choice = random.choice(possible_choices): Randomly selects a choice from the possible_choices list.
• print(...): Prints the player's and computer's choices.
• winner = determine_winner(...): Calls the determine_winner() function to find the winner.
• print(winner): Displays the winner.

Beyond the Basics

You can enhance the game by adding features like:

• Multiple Rounds: Allow the game to run for a set number of rounds and keep track of the score.
• User Interface: Create a more visually appealing interface using libraries like Tkinter or Pygame.
• Advanced AI: Implement a smarter computer opponent that analyzes past choices and tries to predict your moves.

Remember:

• Code Attribution: The core logic for determining the winner comes from a Github repository by user 'satyam0745': https://github.com/satyam0745/python-rps/blob/master/rock_paper_scissors.py
• Experiment and Learn: Playing with the code and adding your own features is the best way to learn.

This article provides a solid foundation for creating a Rock, Paper, Scissors game using Python. With some creativity and a bit of coding, you can develop a fun and engaging game for yourself or others to enjoy.