Can you clarify this idea some? I have used inheritance in a way to make accessing code more seamless and easier for development. But without inheritance, I en

Can you clarify this idea some? I have used inheritance in a way to make accessing code more seamless and easier for development. But without inheritance, I end up with a lot of boilerplate code, imports, etc... Doesn't duplication go against the DRY principle? I know you are saying "wrong inheritance", but some people are saying all inheritance is wrong...