exercism.org/python/black-jack/black_jack.py

81 lines
2.3 KiB
Python

"""Functions to help play and score a game of blackjack.
How to play blackjack: https://bicyclecards.com/how-to-play/blackjack/
"Standard" playing cards: https://en.wikipedia.org/wiki/Standard_52-card_deck
"""
def value_of_card(card):
"""Determine the scoring value of a card.
:param card: str - given card.
:return: int - value of a given card. See below for values.
1. 'J', 'Q', or 'K' (otherwise known as "face cards") = 10
2. 'A' (ace card) = 1
3. '2' - '10' = numerical value.
"""
pass
def higher_card(card_one, card_two):
"""Determine which card has a higher value in the hand.
:param card_one, card_two: str - cards dealt in hand. See below for values.
:return: str or tuple - resulting Tuple contains both cards if they are of equal value.
1. 'J', 'Q', or 'K' (otherwise known as "face cards") = 10
2. 'A' (ace card) = 1
3. '2' - '10' = numerical value.
"""
pass
def value_of_ace(card_one, card_two):
"""Calculate the most advantageous value for the ace card.
:param card_one, card_two: str - card dealt. See below for values.
:return: int - either 1 or 11 value of the upcoming ace card.
1. 'J', 'Q', or 'K' (otherwise known as "face cards") = 10
2. 'A' (ace card) = 11 (if already in hand)
3. '2' - '10' = numerical value.
"""
pass
def is_blackjack(card_one, card_two):
"""Determine if the hand is a 'natural' or 'blackjack'.
:param card_one, card_two: str - card dealt. See below for values.
:return: bool - is the hand is a blackjack (two cards worth 21).
1. 'J', 'Q', or 'K' (otherwise known as "face cards") = 10
2. 'A' (ace card) = 11 (if already in hand)
3. '2' - '10' = numerical value.
"""
pass
def can_split_pairs(card_one, card_two):
"""Determine if a player can split their hand into two hands.
:param card_one, card_two: str - cards dealt.
:return: bool - can the hand be split into two pairs? (i.e. cards are of the same value).
"""
pass
def can_double_down(card_one, card_two):
"""Determine if a blackjack player can place a double down bet.
:param card_one, card_two: str - first and second cards in hand.
:return: bool - can the hand can be doubled down? (i.e. totals 9, 10 or 11 points).
"""
pass