Not if you have a good Integrated Development Environment (or IDE for short)! That's an even better "program" than your brain, because it shows syntax errors and other warnings right next to your code. It will literally put little red squiggly lines right under `if (x = 1)` and show the file as red in your file explorer side-bar, and when you hover over this line it will give you a tool tip saying "this assigns a new value, it's probably not what you meant, I can either turn it into x == 1 or ((x = 1)), which one do you want?" That is the power of IDEs and they are amazing. We should consider them an integral part of writing code and not fight them or be afraid of them!