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black_jack.py
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black_jack.py
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"""
############## Blackjack Project #####################
Difficulty Normal 😎: Use all Hints below to complete the project.
Difficulty Hard 🤔: Use only Hints 1, 2, 3 to complete the project.
Difficulty Extra Hard 😭: Only use Hints 1 & 2 to complete the project.
Difficulty Expert 🤯: Only use Hint 1 to complete the project.
############## Our Blackjack House Rules #####################
# The deck is unlimited in size.
# There are no jokers.
# The Jack/Queen/King all count as 10.
# The the Ace can count as 11 or 1.
# Use the following list as the deck of cards:
# cards = [11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10]
# The cards in the list have equal probability of being drawn.
# Cards are not removed from the deck as they are drawn.
# The computer is the dealer.
#################### Hints #####################
Hint 1: Go to this website and try out the Blackjack game:
https://games.washingtonpost.com/games/blackjack/
Then try out the completed Blackjack project here:
http://blackjack-final.appbrewery.repl.run
Hint 2: Read this breakdown of program requirements:
http://listmoz.com/view/6h34DJpvJBFVRlZfJvxF
Then try to create your own flowchart for the program.
Hint 3: Download and read this flow chart I've created:
https://drive.google.com/uc?export=download&id=1rDkiHCrhaf9eX7u7yjM1qwSuyEk-rPnt
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]
Hint 5: Deal the user and computer 2 cards each using deal_card() and append().
user_cards = []
computer_cards = []
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.
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.
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().
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.
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.
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.
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.
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.
"""
import random
import os
# game ascii logo
logo = """
.------. _ _ _ _ _
|A_ _ |. | | | | | | (_) | |
|( \/ ).-----. | |__ | | __ _ ___| | ___ __ _ ___| | __
| \ /|K /\ | | '_ \| |/ _` |/ __| |/ / |/ _` |/ __| |/ /
| \/ | / \ | | |_) | | (_| | (__| <| | (_| | (__| <
`-----| \ / | |_.__/|_|\__,_|\___|_|\_\ |\__,_|\___|_|\_\\
| \/ K| _/ |
`------' |__/
"""
def deal_card():
"""
return a random card
"""
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 card as input and returen the socer from the cards. 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. check for an 11 (ace). If the score is already over 21, remove the 11 and replace it with a 1.
"""
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):
"""
compare scores between user and computer and show the result of the game.
"""
if user_score > 21 and computer_score > 21:
return "You went over. You lose 😤"
elif user_score == computer_score:
return "Draw 🙃"
elif computer_score == 0:
return "Lose, opponent has Blackjack 😱"
elif user_score == 0:
return "Win with a Blackjack 😎"
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 play_game():
"""
main play game function.
"""
print(logo)
# deal the user and computer 2 cards each
user_cards = []
computer_cards = []
is_game_over = False
for _ in range(2):
user_cards.append(deal_card())
computer_cards.append(deal_card())
# score rechecked with every new card drawn
while not is_game_over:
# if the computer has blackjack or if user's score is over 21 the the games end.
user_score = calculate_score(user_cards)
computer_score = calculate_score(computer_cards)
print(f" Your cards: {user_cards}, Current Score: {user_score} ")
print(
f" Computer cards: {computer_cards}, Current Score: {computer_score} ")
if user_score == 0 or computer_score == 0 or user_score > 21:
is_game_over = True
else:
user_should_deal = input(
"Type 'y' to get another card or type 'n' to pass: ")
if user_should_deal == "y":
user_cards.append(deal_card())
else:
is_game_over = True
# User is done. Now it's computer time until computer score less than 17
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 final hand: {computer_cards}, Final Score: {computer_score} ")
print(compare(user_score, computer_score))
# ask the user to restart the game. if answer is yes the clear the screan and star new game.
while input("Do you want to play a game of Blackjack? Type 'y' or 'n' \n=> ") == "y":
os.system('cls' if os.name == 'nt' else 'clear')
play_game()