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  1. def createCounter():
  2.     i = 0
  3.     def counter():
  4.          nonlocal i
  5.          i += 1
  6.          return i
  7.     return counter
  8.  
  9. # 测试:
  10. counterA = createCounter()
  11. print(counterA(), counterA(), counterA(), counterA(), counterA()) # 1 2 3 4 5
  12. counterB = createCounter()
  13. if [counterB(), counterB(), counterB(), counterB()] == [1, 2, 3, 4]:
  14.     print('测试通过!')
  15. else:
  16.     print('测试失败!')
  17.  
  18. # your code goes here
  19. # your code goes here
Success #stdin #stdout 0.08s 14228KB
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1 2 3 4 5
测试通过!
https://ideone.com/uO1f03
language:
Python 3 (python  3.12)
created:
1 day ago
visibility:
public

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