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  1. #!/usr/local/lib/python3
  2.  
  3. class w():
  4.   def __init__(self, x):
  5.     self.x = x
  6.  
  7.   def __hash__(self):
  8.     return True
  9.  
  10.   def __eq__(self, y):
  11.     return False
  12.  
  13. ww = w(12)
  14.  
  15. print(ww)
  16. print(hash(ww))
  17.  
  18. q = {
  19.   ww: 333,
  20.   1: 'qwe',
  21.   'qqq': 'asd',
  22.   (1, 2): 'zxc'
  23. }
  24.  
  25. print(q['qqq'])
  26. print(q[ww])
Success #stdin #stdout 0.02s 27712KB
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stdin
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Standard input is empty
stdout
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<__main__.w object at 0x2b15f1cea080>
1
asd
333
https://ideone.com/epohOw
language:
Python 3 (python  3.9.5)
created:
5 years ago
visibility:
public

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