I would appreciate advice on whether it is possible to avoid the use of
a global variable used in a function by encapsulating it in a class
without maaking any changes to the call interface (which I cannot change).
I have:
----------------
seen = dict()
def get_it(piece):
...
return seen[piece]
----------------
and I am wondering if it is possible to use a class something like
----------------
class get_it(object):
seen = dict()
def __call__(piece):
return seen[piece]
----------------
to avoid the global variable.
Brian Gladman
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