Frank Sievertsen <pyt...@sievertsen.de> added the comment:
For the sake of completeness:
Collision-counting (with Exception) has interesting effects, too.
>>> d={((1<<(65+i))-2**(i+4)): 9 for i in range(1001)}
>>> for i in list(d):
... del d[i]
>>> d
{}
>>> 9 in d
False
>>> 0 in d
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
KeyError: 'too many slot collisions'
>>> d[9] = 1
>>> d
{9: 1}
>>> d == {0: 1}
False
>>> {0: 1} == d
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
KeyError: 'too many slot collisions'
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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue13703>
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