Simple exercise
Erik
python at lucidity.plus.com
Thu Mar 10 04:38:46 EST 2016
Hi.
This looks a little like a homework problem, so I'll be cryptic ... :)
On 10/03/16 09:02, Rodrick Brown wrote:
>>From the following input
>
> 9
> BANANA FRIES 12
> POTATO CHIPS 30
> APPLE JUICE 10
> CANDY 5
> APPLE JUICE 10
> CANDY 5
> CANDY 5
> CANDY 5
> POTATO CHIPS 30
<snip>
> if m:
> if m.group(1) not in od.keys():
> od[m.group(1)] = int(m.group(2))
> else:
> od[m.group(1)] += int(od.get(m.group(1),0))
Look very carefully at the last line above. What is it _actually_ doing?
Also, consider that for each of the input lines all of the items that
occur more than once exactly double the current value each time they are
repeated. Except "CANDY", which is the item you are having a problem
with ... that may tell you something.
E.
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