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gh-92417: stdtypes docs: delete discussion of Python 2 differences (GH-92423)

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Given that 2.7 has now been end-of-life for two and a half years,
I don't think we need such a detailed explanation here anymore of
the differences between Python 2 and Python 3.
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Alex Waygood 2022-05-08 14:23:22 +01:00 • committed by GitHub
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@ -2573,16 +2573,6 @@ The representation of bytes objects uses the literal format (``b'...'``)
since it is often more useful than e.g. ``bytes([46, 46, 46])``. You can since it is often more useful than e.g. ``bytes([46, 46, 46])``. You can
always convert a bytes object into a list of integers using ``list(b)``. always convert a bytes object into a list of integers using ``list(b)``.
.. note::
For Python 2.x users: In the Python 2.x series, a variety of implicit
conversions between 8-bit strings (the closest thing 2.x offers to a
built-in binary data type) and Unicode strings were permitted. This was a
backwards compatibility workaround to account for the fact that Python
originally only supported 8-bit text, and Unicode text was a later
addition. In Python 3.x, those implicit conversions are gone - conversions
between 8-bit binary data and Unicode text must be explicit, and bytes and
string objects will always compare unequal.
.. _typebytearray: .. _typebytearray: