Built-in method case

Card game

import json

from collections import namedtuple

"""
Tuple also has a brother called namedtuple. Although they are all tuples, they are more powerful.
For namedtuple, you don’t have to access it by index value anymore, you can think of it as a dictionary
Access by name, but the value cannot be changed.
"""

Card
= namedtuple("Card", ["rank< span style="color: #800000;">", "suit"]) # rank is the card size, suit is the suit


class FranchDeck:
ranks
= [str(n) for n in range(2, 11)] + list("JQKA") # Card size
suits
= ["Red hearts", "Spades", "square piece", "梅花< /span>"]

def __init__(self):
self.__cards
= [Card(rank, suit) for rank in FranchDeck.ranks
for suit in FranchDeck.suits] # ​​Loop nesting, get numbers, suits

def __len__(self):
return len(self.__cards)

def __getitem__(self, item):
return self.__cards[item]

def __setitem__(self, key, value):
self.__cards[key]
= value

def __str__(self):
return json.dumps(self._cards, ensure_ascii=False)


deck
= FranchDeck()
print(deck[
10]) # Get cards

# Shuffle
from random import choice

print(choice(deck))
print(choice(deck))
# Slice
from random import shuffle

shuffle(deck)
print(deck[
10])
print(deck[:
5])

 import json

from collections import namedtuple

"""
Tuple also has a brother called namedtuple. Although they are all tuples, they are more powerful.
For namedtuple, you don’t have to access it by index value anymore, you can think of it as a dictionary
Access by name, but the value cannot be changed.
"""

Card
= namedtuple("Card", ["rank< span style="color: #800000;">", "suit"]) # rank is the card size, suit is the suit


class FranchDeck:
ranks
= [str(n) for n in range(2, 11)] + list("JQKA") # Card size
suits
= ["Red hearts", "Spades", "square piece", "梅花< /span>"]

def __init__(self):
self.__cards
= [Card(rank, suit) for rank in FranchDeck.ranks
for suit in FranchDeck.suits] # ​​Loop nesting, get numbers, suits

def __len__(self):
return len(self.__cards)

def __getitem__(self, item):
return self.__cards[item]

def __setitem__(self, key, value):
self.__cards[key]
= value

def __str__(self):
return json.dumps(self._cards, ensure_ascii=False)


deck
= FranchDeck()
print(deck[
10]) # Get cards

# Shuffle
from random import choice

print(choice(deck))
print(choice(deck))
# Slice
from random import shuffle

shuffle(deck)
print(deck[
10])
print(deck[:
5])

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