Initial commit of Python queries and QL libraries.

python/ql/src/Classes/SubclassShadowing.py

@@ -0,0 +1,17 @@
+class Mammal(object):
+
+    def __init__(self, milk = 0):
+        self.milk = milk
+
+
+class Cow(Mammal):
+
+    def __init__(self):
+        Mammal.__init__(self)
+
+    def milk(self):
+        return "Milk"
+
+#Cow().milk() will raise an error as Cow().milk is the 'milk' attribute
+#set in Mammal.__init__, not the 'milk' method defined on Cow.
+