codewars/books/python/book3/chapter_1.py

import collections
from random import choice
import math


Card = collections.namedtuple('Card', ['rank', 'suit'])

class FrenchDeck:
    ranks = [str(n) for n in range(2, 11)] + list('JQKA')
    suits = 'spades diamonds clubs hearts'.split()

    def __init__(self) -> None:
        self._cards = [Card(rank, suit) for suit in self.suits
                       for rank in self.ranks]

    def __len__(self):
        return len(self._cards)
    
    def __getitem__(self, position):
        return self._cards[position]

    def spades_high(self, card: Card):
        rank_value = self.ranks.index(card.rank)
        print(rank_value*len())
        # return rank_value

    def foo(self):
        self.suit_values = dict(spades=3, hearts=2, diamonds=1, clubs=0)
        print(self.suit_values)
    

def card_test():
    deck = FrenchDeck()

    card = choice(deck)
    print(deck[1])
    deck.spades_high(deck[1])

    # print(len(deck))
    # print(deck[0])

    # Выбрать случайный элемент коллекции
    # print(choice(deck))
    # print(deck[12::13])

    # for card in deck:
    #     print(card)

    # deck.foo()


'''
vector: упрощенный класс, демонстрирующий некоторые специальные методы.
'''
class Vector:
    def __init__(self, x=0, y=0) -> None:
        self.x = x
        self.y = y

    def __repr__(self) -> str:
        return f'Vector({self.x!r}, {self.y!r})'

    # Абсолютная величина
    def __abs__(self):
        return math.hypot(self.x, self.y)

    def __bool__(self):
        return bool(abs(self))
    
    def __add__(self, other):
        x = self.x + other.x
        y = self.y + other.y
        return Vector(x, y)
    
    def __mul__(self, scalar):
        return Vector(self.x * scalar, self.y * scalar)


def vector_test():
    v1 = Vector(3, 4)
    v2 = Vector(1, 2)
    v3 = v1 + v2
    v4 = v3 * 2
    print(abs(v1))
    print(v3)
    print(v4)



def main():
    vector_test()
    

def test():
    # ranks = [str(n) for n in range(2, 11)] + list('JQKA')
    # print(ranks)
    Car = collections.namedtuple('Car', 'color mileage')
    car1 = Car('red', 150)
    print(car1.color, car1.mileage)
    print(car1._fields)

if __name__ == '__main__':
    main()
    # test()