Python Project: Rock Paper Scissors Game

import random

# Rules of the game
print("""ROCK PAPER SCISSORS

Rules of The Game:
Rock beats Scissors.
Paper beats Rock. 
Scissors beat Paper.
""")

# Dictionary
number_dict = {
    1: "Rock",
    2: "Paper",
    3: "Scissors"
}

while True:
    try:
        # User picks
        user_pick = int(input("""1. Rock
2. Paper
3. Scissors
Your Pick: """))

        # Validate user input
        if user_pick < 1 or user_pick > 3:
            print("Invalid choice. Please enter a number between 1 and 3.")
            continue

        user_pick_result = number_dict[user_pick]
        print("You picked: {}.".format(user_pick_result))

        # Computer picks
        computer_pick = random.randint(1, 3)
        computer_pick_result = number_dict[computer_pick]

        print("Computer Picks: {}".format(computer_pick_result))

        # Decide winner
        if user_pick == computer_pick:
            print("Tie!")
        elif (user_pick == 1 and computer_pick == 3) or (user_pick == 2 and computer_pick == 1) or (user_pick == 3 and computer_pick == 2):
            print("You win!")
        else:
            print("Computer wins!")

        # Ask for replay
        play_again = input("Do you want to play again? (y/n): ")
        if play_again.lower() != 'y':
            break

    except ValueError:
        print("Invalid input. Please enter a valid number.")