feat: add snake water gun game

Author: Akhila21-6

other/snake_water_gun.py

@@ -0,0 +1,69 @@
+"""
+A simple implementation of the Snake, Water, Gun game.
+"""
+import random
+import doctest
+
+
+def snake_water_gun(player_choice: str, computer_choice: str) -> str:
+    """
+    Determines the winner of a Snake, Water, Gun game round.
+
+    Args:
+        player_choice: The player's choice ('s' for snake, 'w' for water, 'g' for gun).
+        computer_choice: The computer's choice.
+
+    Returns:
+        A string indicating the result: "Player wins!", "Computer wins!", or "It's a draw!".
+
+    Doctests:
+        >>> snake_water_gun('s', 'w')
+        'Player wins!'
+        >>> snake_water_gun('w', 'g')
+        'Player wins!'
+        >>> snake_water_gun('g', 's')
+        'Player wins!'
+        >>> snake_water_gun('w', 's')
+        'Computer wins!'
+        >>> snake_water_gun('s', 's')
+        "It's a draw!"
+    """
+    if player_choice == computer_choice:
+        return "It's a draw!"
+
+    if (
+        (player_choice == "s" and computer_choice == "w")
+        or (player_choice == "w" and computer_choice == "g")
+        or (player_choice == "g" and computer_choice == "s")
+    ):
+        return "Player wins!"
+    else:
+        return "Computer wins!"
+
+
+def main():
+    """
+    Main function to run the Snake, Water, Gun game.
+    """
+    print("--- Snake, Water, Gun Game ---")
+    player_input = (
+        input("Enter your choice (s for snake, w for water, g for gun): ").lower().strip()
+    )
+
+    if player_input not in ["s", "w", "g"]:
+        print("Invalid choice. Please choose 's', 'w', or 'g'.")
+        return
+
+    choices = ["s", "w", "g"]
+    computer_input = random.choice(choices)
+
+    print(f"\nYou chose: {player_input}")
+    print(f"Computer chose: {computer_input}\n")
+
+    result = snake_water_gun(player_input, computer_input)
+    print(result)
+
+
+if __name__ == "__main__":
+    doctest.testmod()  # Run the doctests
+    main()