Technical Project | Python Fiddle

# This program uses fstrings, which is a feature exclusive to newer versions of Python

import random

valid_choices = {'rock', 'paper', 'scissors'}
numbering = {'rock': 0, 'paper': 1, 'scissors': 2}
names = {0: 'rock', 1: 'paper', 2: 'scissors'}
min_number, max_number = 0, 2

def get_number_of_rounds():

while True:
        num_str = input("How many rounds would you like to play? ")
        try:
            num = int(num_str)
            if num <= 0:
                print("You need to play at least one round!")
            else:
                return num
        except ValueError:
            print("That is not a valid number!")

def get_user_choice():
    # Prompts the user for input until valid choice is made. Return corresponding choice number

choice = input("Rock, paper, or scissors? ").lower().strip()
    while choice not in valid_choices:
        choice = input("Please enter one of the following: 'rock', 'paper', or 'scissors': ")
    return numbering[choice]

def get_computer_choice():
    # Randomly generated choice by computer

return random.randint(min_number, max_number)

def get_winner(l, r):
    # Returns -1 if l beats r, 0 if there is a tie, and 1 if r beats l

if l == r:
        return 0
    if (l + 1) % (max_number + 1) == r:
        return 1
    return -1

def play_round():
    # Plays a round: user makes choice, computer makes choice, returns true if player wins, false otherwise

user_choice = get_user_choice()
    computer_choice = get_computer_choice()
    print(f"The computer chose {names[computer_choice]}")
    winner = get_winner(user_choice, computer_choice)

if winner == -1:
        print("You won!")
    elif winner == 0:
        print("There was a tie!")
    else:
        print("The computer won.")
    return winner == -1

def play_game():

num_rounds = get_number_of_rounds()
    num_won = 0

for i in range(num_rounds):
        player_won = play_round()
        if player_won:
            num_won += 1

rounds_plural = "s" if num_rounds > 1 else ''
    print(f"You won {num_won} out of {num_rounds} round{rounds_plural}!")

if __name__ == '__main__':
    play_game()

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