updated readme

Author: dancergraham

README.md

@@ -40,3 +40,31 @@ public abstract class Duck {
 	}
 }
 ```
+
+### Sample Code : Python 
+
+From this repository :
+
+```python
+class Duck():
+    fly_behavior = None
+    quack_behavior = None
+
+    def set_fly_behavior(self, fly_behavior):
+        self.fly_behavior = fly_behavior
+
+    def set_quack_behavior(self, quack_behavior):
+        self.quack_behavior = quack_behavior
+
+    def display():
+        raise NotImplementedError
+
+    def perform_fly(self):
+        self.fly_behavior.fly()
+
+    def perform_quack(self):
+        self.quack_behavior.quack()
+
+    def swim():
+        print("All ducks float, even decoys!")
+```