large dictionary creation takes a LOT of time.

[R. C. James Harlow]

On Friday 29 April 2005 11:53, Ville Vainio wrote:
> >>>>> "Kent" == Kent Johnson <kent37 at tds.net> writes:
>
>     Kent> if frequency.has_key(word):
>     Kent> frequency[word] += 1
>     Kent> else:
>     Kent> frequency[word] = 1
>
> This is a good place to use 'get' method of dict:
>
> frequency[word] = frequency.get(word,0) + 1

try/except might be fastest of all:

http://gumuz.looze.net/wordpress/index.php/archives/2005/04/28/python-dictionary-speed-optimisation/
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