class toy: # head='blue' body='red' def a(self,x): #a, you can be any word. 'you' becomes toy1 / 2 print('toy is running', self.body) toy1=toy() toy2=toy() print(toy1.head, toy1.body) print(toy1) #show the address of toy1 print(toy2) #show the address of toy2 toy1.a(1) #assign x=1 toy2.a(2) #assign x=2 print(toy1.a) #show the address of toy1.a() print(toy2.a) #show the address of toy2.a()