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  1. import sys
  2. import ctypes
  3.  
  4. n = int("257")
  5. ctypes.c_int32.from_address(id(n) + 24).value = 0
  6. ob_size = ctypes.c_int64.from_address(id(n) + 16)
  7. ob_size.value = 0
  8. print(n == 0) # outputs True
  9. print(n is 0) # outputs False
  10. print(sys.version)
Success #stdin #stdout 0.04s 10028KB
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stdin
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Standard input is empty
stdout
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True
False
3.9.5 (default, Nov 18 2021, 16:00:48) 
[GCC 10.3.0]
https://ideone.com/4kwIUz
language:
Python 3 (python  3.12)
created:
235 days ago
visibility:
secret

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