100% focus required
When it comes to programming, I think it’s important to have programmers that are only working on code, not juggling many other tasks. When you’re coding, you have to keep track of many pieces of information, and if you’re distracted by other things, its easy to forget something of importance. It’s also difficult to resume a complex programming task after being interrupted for a week or so, because you have to relearn things that have been forgotten in the meantime.
This 1,000%. As someone who can code, but it is not what defines me, I find my lack of focus on development to be a huge problem. Things take longer, more frustrating, and more difficult.