"Newbie" questions - "unique" sorting ?
Erik Max Francis
max at alcyone.com
Thu Jun 26 00:41:37 CEST 2003
Cousin Stanley wrote:
> I changed one line in the script ....
> from .... if this_word not in dict_words.keys() :
> to ...... if not dict_words.has_key( this_word ) :
> I failed to consider here
> that a NEW keys list might be created
> on each pass through a loop ....
Not only does it create a new keys list (D.keys()), but it searches
linearly through it (x in L)! Those are two separate O(n) operations,
whereas D.has_key is effectively O(1).
Erik Max Francis && max at alcyone.com && http://www.alcyone.com/max/
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/ \ The multitude of books is making us ignorant.
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