# 本章要点：类(Class) - 万物皆对象

class TheThing(object):
	def __init__(self): 
		self.number = 0

	def some_function(self):
		print("I got called.")

	def add_me_up(self, more): 
		self.number += more 
		return self.number

 
a = TheThing()
b = TheThing()

a.some_function()
b.some_function()

print(a.add_me_up(20)) 
print(a.add_me_up(20))
print(b.add_me_up(30)) 
print(b.add_me_up(30))

print(a.number) 
print(b.number)