Rock paper scissors

Rock-Paper-Scissors/README.md

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+# Rock Paper Scissors
+
+A simple command-line Rock Paper Scissors game where you play against the computer.
+
+## How to Run
+
+```bash
+cd Rock-Paper-Scissors
+python main.py

Rock-Paper-Scissors/main.py

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+#!/usr/bin/env python3
+"""
+main.py
+A simple Rock Paper Scissors game against the computer.
+The player picks rock, paper, or scissors and plays against a random computer choice.
+"""
+
+import random
+
+
+def get_winner(player: str, computer: str) -> str:
+    """Return 'player', 'computer', or 'tie' based on the two choices."""
+    if player == computer:
+        return "tie"
+    if (player == "rock" and computer == "scissors") or \
+       (player == "paper" and computer == "rock") or \
+       (player == "scissors" and computer == "paper"):
+        return "player"
+    return "computer"
+
+
+def main() -> None:
+    """Run the game loop."""
+    choices = ["rock", "paper", "scissors"]
+    player_score = 0
+    computer_score = 0
+
+    print("Rock Paper Scissors")
+    print("--------------------")
+    print("Type 'quit' to exit.\n")
+
+    while True:
+        player_input = input("Choose rock, paper, or scissors: ").strip().lower()
+
+        if player_input == "quit":
+            print("\nThanks for playing!")
+            print(f"Final score: You {player_score} - {computer_score} Computer")
+            break
+
+        if player_input not in choices:
+            print("Invalid choice. Try again.\n")
+            continue
+
+        computer_choice = random.choice(choices)
+        print(f"Computer chose: {computer_choice}")
+
+        result = get_winner(player_input, computer_choice)
+
+        if result == "tie":
+            print("It's a tie!\n")
+        elif result == "player":
+            print("You win this round!\n")
+            player_score += 1
+        else:
+            print("Computer wins this round.\n")
+            computer_score += 1
+
+
+if __name__ == "__main__":
+    main()