Data commit

Task/Inheritance-Single/Python/inheritance-single-1.py

@@ -0,0 +1,14 @@
+class Animal:
+  pass #functions go here...
+
+class Dog(Animal):
+  pass #functions go here...
+
+class Cat(Animal):
+  pass #functions go here...
+
+class Lab(Dog):
+  pass #functions go here...
+
+class Collie(Dog):
+  pass #functions go here...

Task/Inheritance-Single/Python/inheritance-single-2.py

@@ -0,0 +1,47 @@
+import time
+
+class Animal(object):
+    def __init__(self, birth=None, alive=True):
+        self.birth = birth if birth else time.time()
+        self.alive = alive
+    def age(self):
+        return time.time() - self.birth
+    def kill(self):
+        self.alive = False
+
+class Dog(Animal):
+    def __init__(self, bones_collected=0, **kwargs):
+        self.bone_collected = bones_collected
+        super(Dog, self).__init__(**kwargs)
+
+class Cat(Animal):
+    max_lives = 9
+    def __init__(self, lives=max_lives, **kwargs):
+        self.lives = lives
+        super(Cat, self).__init__(**kwargs)
+    def kill(self):
+        if self.lives>0:
+            self.lives -= 1
+            if self.lives == 0:
+                super(Cat, self).kill()
+        else:
+            raise ValueError
+        return self
+
+class Labrador(Dog):
+    def __init__(self, guide_dog=False, **kwargs):
+        self.guide_dog=False
+        super(Labrador, self).__init__(**kwargs)
+
+class Collie(Dog):
+    def __init__(self, sheep_dog=False, **kwargs):
+        self.sheep_dog=False
+        super(Collie, self).__init__(**kwargs)
+
+lassie = Collie()
+felix = Cat()
+felix.kill().kill().kill()
+mr_winkle = Dog()
+buddy = Labrador()
+buddy.kill()
+print "Felix has",felix.lives, "lives, ","Buddy is %salive!"%("" if buddy.alive else "not ")