adding adv data-types

Author: lev epshtein

data-types/cards.py

@@ -0,0 +1,50 @@
+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):
+        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]
+
+if __name__ == "__main__":
+    print ("Let's create one car 7 diamons:")
+    beer_card = Card('7','diamons')
+    print(beer_card)
+    print ("*" * 10)
+    print ("Let's create deck")
+    deck = FrenchDeck()
+    print ("Cards in deck:")
+    print(len(deck))
+    print ("*" * 10)
+    print("Let's take random card:")
+    print ("*" * 10)
+    from random import choice
+    print(choice(deck))
+    for card in deck:
+            print(card)
+    print ("*" * 10)
+    print("Print reversted deck:")
+    print ("*" * 10)
+    for card in reversed(deck):
+            print(card)
+    print (Card('Q', 'hearts') in deck)
+    print (Card('7', 'beasts') in deck)
+    print ("*" * 10)
+    print("Let's sorted:")
+    print ("*" * 10)
+    suit_values = dict(spades=3, hearts=2, diamonds=1, clubs=0)
+    def spades_high(card):
+        rank_value = FrenchDeck.ranks.index(card.rank)
+        return rank_value * len(suit_values) + suit_values[card.suit]
+    for card in sorted(deck, key=spades_high): 
+        print(card)

data-types/t-shirtts.py

@@ -0,0 +1,18 @@
+## T-shirts with list comprehension
+
+colors = ['black', 'white']
+sizes = ['S', 'M', 'L']
+
+for color in colors:
+        for size in sizes:
+            print((color,size)) 
+print ("Let's create now list of tuples:")
+
+tshirts = [(color, size) for color in colors for size in sizes]
+
+print ("List of tuples:")
+print (tshirts)
+print (type(tshirts))
+
+for tshirt in ('%s %s' %(c,s) for c in colors for s in sizes):
+    print(tshirt)