On 2008-01-18, citizen Zbigniew Braniecki testified:
> It's really a nice pitfall, I can hardly imagine anyone expecting this,
AFAIR, it's described in Diving Into Python.
It's quiet elegant way of creating cache.
def calculate(x,_cache={}):
try:
return _cache[x]
except KeyError:
_cache[x] = result = _lotsa_slow_calculations(x)
return result
bart
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