Python and JS are basically the same language in terms of semantics.
Python is dynamic class-based OO with multiple inheritance. JS is dynamic prototypical OO, though it has recently added convenience syntax implementing single-inheritance class-based OO on top of it.
They are not the same.
but no. while both languages share some similarities (dynamically typed, some form of "objects" and "classes") there are a lot of differences, both at "language level" and at "implementation level"