hand.py

class Hand:

    def __init__(self, dealer=False):
        self.cards = []
        self.value = 0
        self.dealer = dealer

    def add_card(self, card_list):
        self.cards.extend(card_list)

    def calculate_value(self):
        self.value = 0
        has_ace = False
        for card in self.cards:
            card_value = int(card.rank["value"])
            self.value += card_value
            if card.rank["rank"] == "A":
                has_ace = True
            if has_ace and self.value > 21:
                self.value -= 10

    def get_value(self):
        self.calculate_value()
        return self.value

    def is_blackjack(self):
        return self.get_value() == 21

    def display(self, show_all_dealer_card = False):
        print(f'''{"Dealer's" if self.dealer else "Your"} hand: ''')
        for index, card in enumerate(self.cards):
            if index == 0 and self.dealer \
                    and not show_all_dealer_card \
                    and not self.is_blackjack():
                print("hidden")
            else:
                print(card)
        if not self.dealer:
            print("Value:", self.get_value())
        print()