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			20 lines
		
	
	
	
		
			282 B
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			20 lines
		
	
	
	
		
			282 B
		
	
	
	
		
			Python
		
	
	
	
	
	
import gc
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thingy = object()
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class A(object):
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    def f(self):
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        return 1
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    x = thingy
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r = gc.get_referrers(thingy)
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if "__module__" in r[0]:
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    dct = r[0]
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else:
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    dct = r[1]
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a = A()
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for i in range(10):
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    a.f()
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dct["f"] = lambda self: 2
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print(a.f()) # should print 1
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