steve at REMOVE-THIS-cybersource.com.au
Tue Dec 30 02:06:26 CET 2008
On Mon, 29 Dec 2008 17:00:31 -0800, Ross wrote:
> Here's my code:
> def histogram(s):
> d = dict()
> for c in s:
> d[c]= d.get(c,0)
> return d
> This code returns a dictionary of all the letters to any string s I give
> it but each corresponding value is incorrectly the default of 0. What am
> I doing wrong?
You're forgetting to increase the count each time you see a letter:
* Look up the letter c in the dict, and call it count;
* If c isn't found in the dict, use 0 as the count.
* Set the value to count.
But at no point do you increase count.
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