# coding=utf-8 支持中文

"""

多行注释

声明鸟类

"""

class Bird(object):

    have_feather = True

    way_of_reproduction = 'egg'

    # 类内功能模块空一行

    @staticmethod

    def move(x, y):

        position = [0, 0]

        position[0] = position[0] + x

        position[1] = position[1] + y

        return position

# 类，功能块空两行

class Chicken(Bird):

    way_of_move = 'walk'

summer = Bird()

print summer.way_of_reproduction

print summer.move(10, 20)

chicken = Chicken()

print chicken.way_of_move

print chicken.way_of_reproduction

空行，规范很烦躁。