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  1. #!/usr/bin/env python3
  2.  
  3. def func1():
  4.     arr = []
  5.     num = 0
  6.  
  7.     def func2(v):
  8.         print(num)
  9.         # num += 1
  10.         arr.append(v)
  11.         return {'num': num, 'arr': arr}
  12.     return func2
  13.  
  14. f = func1()
  15. print(f(10))
  16. print(f(11))
  17. print(f(12))
  18.  
Success #stdin #stdout 0.02s 27712KB
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stdin
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Standard input is empty
stdout
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0
{'arr': [10], 'num': 0}
0
{'arr': [10, 11], 'num': 0}
0
{'arr': [10, 11, 12], 'num': 0}
https://ideone.com/Hk9YEn
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
public

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