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infrastructure/from-localhost-to-production-what-deploying-your-code-really-means.md
From localhost to production: what “deploying” your code really means
Your app runs perfectly at localhost:3000, but the link does nothing on a friend's phone. That's because localhost means "this computer"…
languages/what-a-variable-really-is-python-names-values-and-the-sign.md
What a variable really is: Python names, values and the = sign
In Python, a variable isn't a box that holds a value. It's a name tag tied to a value that lives on its own. That one picture explains why…