python面向对象（2）—— 继承（1）

#所有类默认继承object
class Gun(object):
	def __init__(self,width):
		self.length = 100
		self.width = width
	def shoot(self):
		print('bang')
		
class Wuzi(Gun):
	pass

wuzi = Wuzi(3)

wuzi.shoot()

class Gun1(object):
	def __init__(self):
		self.length = 100
		
	def shoot(self):
		print('bang1')
		
class Gun2(object):
	def __init__(self):
		self.length = 200
		
	def shoot(self):
		print('bang2')
		
class Wuzi(Gun1,Gun2):
	pass

wuzi = Wuzi()

wuzi.shoot()

class Gun1(object):
	def __init__(self):
		self.length = 100
		
	def shoot(self):
		print('bang1')
		
class Gun2(object):
	def __init__(self):
		self.length = 200
		
	def shoot(self):
		print('bang2')
		
class Wuzi(Gun1,Gun2):
	def shoot(self):
		print('bang3')

wuzi = Wuzi()

wuzi.shoot()