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• When we do the numbers, we mostly use a decimal numbering system, i.e. with 10 digits from 0 to 9. The counter you made counts from 0 to 6. Can you get it to count to 9?

• Another challenge… on New Year’s, we often do a countdown: we count from a bigger number to a smaller number. What would you modify in your code to make it count the other way around?