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laixintao/magic.py

Created March 15, 2020 10:50
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magic.py
import ctypes
def deref(addr, typ):
return ctypes.cast(addr, ctypes.POINTER(typ))
deref(id(3), ctypes.c_int)[6] = 2
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python -i magic.py
>>> 3 + 1
2
>>> 2 + 1
2
>>> 4 - 3
2
>>>

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