Did you know that there is another way so much easier to what you where doing at 5:00? Instead of using Python (which got me veeery confused), you just select all the objects you want, and instead of changing one by one, you HOLD ALT, then check the box, or type the value, and you will see it changes for all of them. This feature has been added on Blender a few time ago, but most ppl don’t know. Maybe you already know this, but if you don’t, i guess you’ll be very happy to know now hehehe