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Python Object-Oriented Python Instant Objects Master Class

This course does not seem to fit within the Python Basics track.

Are there other prerequisites for this course? This course seems to reference things that I didn't ever yet encounter anywhere within the Python Basics track. For instance, a video in this course references the list app, which I made, and also that we were able to manipulate the lists, which we were not (at least in anything I did).

That, coupled with the fact that this content all of a sudden seems extremely difficult and opaque, leads me to believe there is something missing. Someone please help!