> > > PS: I searched but could not find a PEP specifically dedicated to 'slice' > only. Pointers welcome, especially to docs explaining purpose, rationale, > design, etc... Maybe this means slices have always existed and I just > missed them totally? > > I believe that slices have always been a part of the language. Here is supporting evidence:
http://python-history.blogspot.com/2013/10/why-python-uses-0-based-indexing.html For your other questions, unfortunately I don't know offhand and can't spend time on researching it at the moment. :P But hopefully others can help with this. Good luck!
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