Appreciation post: My friend's weird tip about learning Python loops actually worked

I was stuck for a week trying to understand nested loops, but then my friend told me to physically write out each step on index cards for a simple 3x3 grid, and it finally clicked for me, so has anyone else found a hands-on trick that broke through a coding block?

3 comments

3 Comments

jessew832mo ago

That "physically write out each step" thing reminds me of a blog post about using a whiteboard to trace recursion.

charles_barnes2mo ago

Yeah the whiteboard thing... I had a teacher who made us do that with stacks and queues. Felt silly at the time but it kinda stuck.

jade_carter2021d ago

That index card trick is smart because it forces you to walk through each iteration manually instead of relying on the computer to handle it. I've done something similar with recursion problems, where I literally traced each function call on scrap paper with a different color pen for each level of the call stack. It's tedious but it makes the abstract logic real. Another thing that helped me with loops was drawing a physical grid on graph paper and using my finger to track which row and column I was in at each step. Sometimes you just need to slow down and see the pattern with your own eyes before your brain can automate it.