It is an essential skill for our job though, being able to dive into a new code base, form a mental model of it, and modify it either because of new feature requirements or simply bug fixing.
And it is a skill, I also had a lot of trouble with it initially, but diving into several open source projects was the perfect way to practice it, and it helped me tremendously in my professional development.
And it is a skill, I also had a lot of trouble with it initially, but diving into several open source projects was the perfect way to practice it, and it helped me tremendously in my professional development.