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Programming with Karel the Dog CodeHS

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Get started learning how to program with CodeHS. This pathway is for complete beginners so if you are curious how to build things with computers, or want to make a game, or a website, this is the place to get started! 

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100 Level - No experience necessary

Karel starts at 1st street and 1st avenue. Your job is to build a tower (a stack of 3 tennis balls) on all of the odd avenues in the world. i.e. 1st, 3rd, 5th, 7th, etc.

This must work on any sized world, so there could only be 1 avenue or there could be 100 avenues, and it should still build a tower on every odd avenue.

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