Nice idea. Written style is average. Other tutors have discussed issues with performance, style, etc. I thought I would mention that whenever I am asked to give my opinion on a script, I compare it to something I have written/would write. In this case, I have already written. In my version, it not only tells how many of each denomination, but also how one would count back the change. It would be an interesting challenge to implement that, no? ;-)
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