#!/usr/bin/env python3 import sys sys.path.append('.') from example import Pet from example import Dog from example import dog_bark from example import pet_print polly = Pet('Polly', 'parrot') molly = Dog('Molly') print(polly.name() + " is a " + polly.species()) pet_print(polly) print(molly.name() + " is a " + molly.species()) pet_print(molly) dog_bark(molly) try: dog_bark(polly) except Exception as e: print('The following error is expected: ' + str(e)) from example import test_callback1 from example import test_callback2 from example import test_callback3 from example import Example5 def func1(): print('Callback function 1 called!') def func2(a, b, c): print('Callback function 2 called : ' + str(a) + ", " + str(b) + ", "+ str(c)) return c class MyCallback(Example5): def __init__(self, value): Example5.__init__(self, self, value) def callback(self, value1, value2): print('got callback: %i %i' % (value1, value2)) print(test_callback1(func1)) print(test_callback2(func2)) callback = MyCallback(3) test_callback3(callback, 4)