black_jack.py

import art
import random


def deal_card():   
    """Returns a random card from the deck"""            
    cards = [11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10]
    card = random.choice(cards)
    return card
    
    
def calculate_score(cards):
    """Take a list of cards and return the score calculated from the cards"""
    if sum(cards) == 21 and len(cards) == 2:
        return 0
        
    if 11 in cards and sum(cards) > 21:
        cards.remove(11)
        cards.append(1)
    
    return sum(cards)



def compare(user_score, computer_score):
    """Compares the user score u_score against the computer score c_score."""
    if user_score == 0:
        return "Win with a Blackjack 😎"
    elif computer_score == 0:
        return "Lose, opponent has Blackjack 😱"
    elif user_score == computer_score:
        return "Draw 🙃"
    elif user_score > 21:
        return "You went over. You lose 😭"
    elif computer_score > 21:
        return "Opponent went over. You win 😁"
    elif user_score > computer_score:
        return "You win 😃"
    else:
        return "You lose 😤"
    

def playgame():
    print(art.blackjack)
    user_cards = []
    computer_cards = []
    
    computer_score, user_score = -1, -1
    
    is_game_over = False

               
    for _ in range(2):
        user_cards.append(deal_card())
        computer_cards.append(deal_card())
        
        
    while not is_game_over: 
        user_score = calculate_score(user_cards)
        computer_score = calculate_score(computer_cards)
        
        print(f"Your cards: {user_cards}\nCurrent Score: {user_score}")
        print(f"Computer's first card: {computer_cards[0]}")

        if user_score == 0 or computer_score == 0 or user_score > 21:
            is_game_over = True 
        else:
            user_should_deal = input("Type 'yes' to get another card, type 'no' to pass: ").lower()
            if user_should_deal == "yes":
                user_cards.append(deal_card())
            else:
                is_game_over = True
                
    
    while computer_score != 0 and computer_score < 17:
        computer_cards.append(deal_card())
        computer_score = calculate_score(computer_cards)

    print(f"Your final hand: {user_cards}, final score: {user_score}")
    print(f"Computer's final hand: {computer_cards}, final score: {computer_score}")
    print(compare(user_score, computer_score))    



while input("Do you want to play a game of Blackjack?\nType 'yes' or 'no': ").lower() == "yes":
    playgame()