Hard Python Dictionary Exercise (lemmy.nz)

submitted 2 weeks ago by bterwijn@programming.dev to c/python@programming.dev

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A hard exercise to help build the right mental model for Python data.

The “Solution” link visualizes execution and reveals what’s actually happening using 𝗺𝗲𝗺𝗼𝗿𝘆_𝗴𝗿𝗮𝗽𝗵: https://github.com/bterwijn/memory_graph

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[-] bterwijn@programming.dev 2 points 2 weeks ago* (last edited 2 weeks ago)

Can you tell me what the problem is for you when you click the first link? I tried to make it work for all browsers (even mobile, but the UI isn't very mobile friendly), so I would like to get it working on your system too. If you can give me a bug report (and maybe try from different system), that would be great.

The second link explains:

mutability: https://github.com/bterwijn/memory_graph#mutable-type
shallow copy: https://github.com/bterwijn/memory_graph#copying-values-of-mutable-type
difference between x += y and x = x + y: https://github.com/bterwijn/memory_graph#name-rebinding

It's left to the reader to generalize this to x |= y vs x = x | y.

[-] SpaceNoodle@lemmy.world 2 points 2 weeks ago

[-] bterwijn@programming.dev 2 points 2 weeks ago

Diagnostics came up with some "double percent-encoding" issue on IOS. I've updated the website with a workaround, hopefully it does work now. Thanks for bug reporting.