Understanding other peoples code, and coding in 'their style', requires experience too - so if you don't have a background in it, not strange you find it hard.

Understanding other peoples code, and coding in 'their style', requires experience too - so if you don't have a background in it, not strange you find it hard. If you think it a worthy goal to become good at it, best way is to do it more. Otherwise, stay to something you like and do well.