I think the question between the lines was "how much time did you take to the point where you know how all that stuff works?", or at least that's what I'd inclu

I think the question between the lines was "how much time did you take to the point where you know how all that stuff works?", or at least that's what I'd include in the spirit of the concern (as someone who knows all this too, and knows that the answer is 100's of hours)