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  1. class Idade(object):
  2.     def __init__(self, value=None):
  3.         self.value = value
  4.  
  5.     def __get__(self, obj, objtype):
  6.         return self.value
  7.  
  8.     def __set__(self, obj, val):
  9.         if val < 0:
  10.             raise ValueError
  11.         self.value = val
  12.  
  13. class Pessoa(object):
  14.     idade = Idade(30)
  15.  
  16. m = Pessoa()
  17. m.idade = -3
Runtime error #stdin #stdout #stderr 0.04s 9408KB
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Standard input is empty
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Standard output is empty
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Traceback (most recent call last):
  File "./prog.py", line 17, in <module>
  File "./prog.py", line 10, in __set__
ValueError
https://ideone.com/AmnPX1
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
public

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