Capstone Project: BlackJack
#Hint 4: Create a deal_card() function that uses the List below to *return* a random card.
#11 is the Ace.
#cards = [11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10]
import random
import replit
from art import logo
cards = [11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10]
restart = True
while restart == True:
print(logo)
def deal_card():
card_number = random.randrange(0, 12)
return cards[card_number]
#Hint 5: Deal the user and computer 2 cards each using deal_card() and append().
user_cards = []
computer_cards = []
is_game_over = False
for _ in range(2):
new_card = deal_card()
user_cards.append(new_card)
for _ in range(2):
new_card = deal_card()
computer_cards.append(new_card)
#Hint 6: Create a function called calculate_score() that takes a List of cards as input
#and returns the score.
#Look up the sum() function to help you do this.
def calculate_score(list):
score = sum(list)
#Hint 7: Inside calculate_score() check for a blackjack (a hand with only 2 cards: ace + 10) and return 0 instead of the actual score. 0 will represent a blackjack in our game.
if score == 21 and len(list) == 2:
return 0
#Hint 8: Inside calculate_score() check for an 11 (ace). If the score is already over 21, remove the 11 and replace it with a 1. You might need to look up append() and remove().
if 11 in list and score > 21:
list.remove(11)
list.append(1)
score = sum(list)
return score
#Hint 9: Call calculate_score(). If the computer or the user has a blackjack (0) or if the user's score is over 21, then the game ends.
while is_game_over == False:
computer_score = calculate_score(computer_cards)
user_score = calculate_score(user_cards)
print(f"Your cards: {user_cards}, current_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:
#Hint 10: If the game has not ended, ask the user if they want to draw another card. If yes, then use the deal_card() function to add another card to the user_cards List. If no, then the game has ended.
if input("Do you want to draw another card? 'y' or 'n': ") == "y":
user_cards.append(deal_card())
else:
is_game_over = True
#Hint 11: The score will need to be rechecked with every new card drawn and the checks in Hint 9 need to be repeated until the game ends.
#Hint 12: Once the user is done, it's time to let the computer play. The computer should keep drawing cards as long as it has a score less than 17.
while computer_score != 0 and computer_score < 17:
computer_cards.append(deal_card())
computer_score = calculate_score(computer_cards)
#Hint 13: Create a function called compare() and pass in the user_score and computer_score. If the computer and user both have the same score, then it's a draw. If the computer has a blackjack (0), then the user loses. If the user has a blackjack (0), then the user wins. If the user_score is over 21, then the user loses. If the computer_score is over 21, then the computer loses. If none of the above, then the player with the highest score wins.
def compare():
print(f"Your final hand: {user_cards}, final score: {user_score}")
print(f"Computer's final hand: {computer_cards}, final score: {computer_score}")
if computer_score == user_score:
print("Draw")
elif user_score == 0:
print("BlackJack. You win!")
elif computer_score == 0:
print("BlackJack. Computer wins")
elif user_score > 21:
print("Bust. Computer wins!")
elif computer_score > 21:
print("Bust. You win!")
else:
if user_score > computer_score:
print("You Win!")
else:
print("Computer wins.")
compare()
#Hint 14: Ask the user if they want to restart the game. If they answer yes, clear the console and start a new game of blackjack and show the logo from art.py.
if input("restart game? 'y' or 'n': ") == "y":
replit.clear()
else:
restart == False
This took me about two hours. I struggled with deciding the correct spot to put the while()
loop because I tried to calculate and compare the scores every time a card was drawn. So, I resigned and followed the hints. Somewhat shameful, but I see I am getting proficient with the concepts I learned, so proud as well.
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