关于类的练习

1. 以下的代码的输出将是什么?
class Parent(object):
x = 1

class Child1(Parent):
pass

class Child2(Parent):
pass

print Parent.x, Child1.x, Child2.x
=========
Parent.x = 1
Child1.x = 1
Child2.x = 1
=========
Ch ild1.x = 2
print Parent.x, Child1.x, Child2.x
=========
Parent.x = 1
Child1.x = 2
Child2.x = 1
=========
Parent.x = 3
print Parent.x, Child1.x, Child2.x
=========
Parent.x = 3
Child1.x = 2
Child2.x = 3

2. 以下代码将输出什么?
list = [‘a‘, ‘b‘, ‘c‘, ‘d‘, ‘e‘]
print list[10:]
======
[]
======

关于类的练习

原文：http://www.cnblogs.com/general-seven/p/6259919.html