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For activity 3/4, you might want to use a language with a REPL to make it interactive and allow kids to see the code you're typing run in real time.

This is a really cool idea, though! I wish somebody had come in to my elementary school with this kind of activity!

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Thanks, I had never heard of REPL. Great idea. In the unlikely event and of the older kids want to play with the language at home, its also nice that they can just find it on the web.

Oh, sorry, I wasn’t referring to REPL.it (although that’s cool too), I was referring to the read-eval-print-loop you get when you run python (or irb for ruby, or perl) on its own at the command line without any files or command line arguments. You might have heard it called an interpreter too depending on which language you’ve used.

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