[Tutor] Ingenious script (IMO)

[Dick Moores]

At 04:11 AM 8/11/2007, Dick Moores wrote:

>I was just about finished with a script that would tell the clerk 
>how to give the change to the customer, when I discovered that the 
>above script computes the wrong amount of change in certain 
>situations. It works fine if the customer tenders only bills and no 
>change, but that's not realistic. For example, if the cost is $1.78 
>the customer may well tender $2.03 so he can get a quarter back 
>rather than 2 dimes and 2 pennies. But the script in that case will 
>compute change of 24 cents!  Try it out. I've put the same script on 
>the web, but deleted the line that I'd left in by mistake, "print coinCount".

Sorry. Forgot to include the link. 
<http://www.rcblue.com/Misc/changeMakerKent0-a.py>


>So, does this mean I should use the decimal module? Or is there 
>another way to fix the problem?
>
>Thanks,
>
>Dick