A very basic simulator for GoGo 21 / Catch-21

gogo21_basic_sim.py

from random import shuffle

class Hand:
    def __init__(self):
        self.cards = []
        self.possible_values = [0]
        self.blackjacks = 0
        
    def can_add(self, card):
        if (min(self.possible_values) + min(card)) <= 21:
            return True
        else:
            return False
        
    def add(self, card):
        self.possible_values = [i + min(card) for i in self.possible_values]
        if len(card) > 1:
            temp = []
            for i in self.possible_values:
                temp.append(i + max(card) - min(card))
            for x in temp:
                self.possible_values.append(x)
        if 21 in self.possible_values:
            self.blackjack()
            
    def blackjack(self):
        self.blackjacks += 1
        self.possible_values = [0]
        self.cards = []
        
    def get_possible_values(self):
        return self.possible_values
    
    def get_blackjacks(self):
        return self.blackjacks
    
def make_deck():
    deck = []
    for _ in range(1,5):
        deck.append([1,11])
        for i in range(2,10):
            deck.append([i])
        for _ in range(1,5):
            deck.append([10])
    return deck

total_throwaways = 0
total_blackjacks = 0

for r in range(1,100001):
    deck = make_deck()
    shuffle(deck)
    
    hands = []
    for _ in range(1,5):
        hands.append(Hand())
        
    while len(deck) > 0:
        used_card = False
        for hand in hands:
            if hand.can_add(deck[-1]):
                hand.add(deck[-1])
                del deck[-1]
                used_card = True
                break
        if used_card == False:
            total_throwaways += 1
            del deck[-1]
        shuffle(hands)
        
    for hand in hands:
        total_blackjacks += hand.get_blackjacks()
        
print("Total 21s = " + str(total_blackjacks))
print("Total discards = " + str(total_throwaways))