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Python for Beginners — DigiPad Course
Preparing your Interaction Arc…
OSB Coach · DigitalExpo
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python --version # ask Python which version is installed
python3 --version # the same question on macOS/Linux
python # start the interpreter (the REPL)
exit() # leave the interpreter, stay in the terminalThe REPL is worth naming. It stands for Read–Eval–Print–Loop: it Reads a line you type, Evaluates it, Prints the result, and Loops back for more. It's Python talking back in real time — the fastest way to test an idea.
Pick your operating system. Do it now, in this order, and don't skip the verification step at the end — that step is the whole point.
python working in your terminal and a confusing error later.brew install python if you use Homebrew). On macOS the command is usually python3, not python.python3. Confirm with python3 --version; if it's missing, sudo apt install python3 (Debian/Ubuntu) or your distro's equivalent.You'll also want a code editor — VS Code (free, code.visualstudio.com) is the standard first choice. And make one course folder somewhere you'll remember, e.g. python-course/. That folder is your workshop for the rest of the book.
Here's your first move in the DigiPad loop: predict, then run. In DigiPad, before you touch the terminal, write down your answer:
When I type python --version, what do you think appears? A number? A word? An error?Commit to a guess. Prediction is what turns watching into learning — if you're right you've confirmed a model, and if you're wrong you've found exactly the thing you didn't understand. Then go run it for real.
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