tmp

books/python/book3/1.py

@@ -1,36 +0,0 @@
-import collections
-
-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 foo(self):
-        print(self.ranks)
-        print(self.suits)
-        print(self._cards)
-
-def main():
-    cards = FrenchDeck()
-    # cards.foo()
-    print(len(cards))
-    print(cards[0])
-    
-
-if __name__ == '__main__':
-    main()
-
-        
-    

books/python/book3/chapter_1.py

@@ -0,0 +1,107 @@
+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()
+
+        
+