dock test

qiwsir · qiwsir · commit a15890976933 · 2017-06-06T16:12:40.000+08:00
diff --git a/newcodes/docktest.py b/newcodes/docktest.py
@@ -0,0 +1,23 @@
+class Cat:
+    def speak(self):
+        print("meow!")
+
+class Dog:
+    def speak(self):
+        print("woof!")
+
+class Bob:
+    def bow(self):
+        print("thank you, thank you!")
+    def speak(self):
+        print("hello, welcome to the neighborhood!")
+    def drive(self):
+        print("beep, beep!")
+
+def command(pet):
+    pet.speak()
+
+pets = [ Cat(), Dog(), Bob() ]
+
+for pet in pets:
+    command(pet)
