Post #12766 97 Oct 30, 2025, 08:29 UTC John Carmack on updating variableshttps://x.com/ID_AA_Carmack/status/1983593511703474196#mhttps://redd.it/1ojmwd9@programmingreddit X (formerly Twitter) John Carmack (@ID_AA_Carmack) on X When I started working in python, I got lazy with “single assignment”, and I need to nudge myself about it. You should strive to never reassign or update a variable outside of true iterative calculations in loops. Having all the intermediate calculations…