# -*- coding : utf-8  -*-
def createCounter():
	n = [0]
	def counter():
		n[0] = n[0] + 1
		return n[0]
	return counter
counterA = createCounter()
print(counterA(), counterA(), counterA(), counterA(), counterA()) # 1 2 3 4 5
counterB = createCounter()
if [counterB(), counterB(), counterB(), counterB()] == [1, 2, 3, 4]:
    print('测试通过!')
else:
    print('测试失败!')    