bit shifting question

[Grant Edwards]

On 2004-05-17, Michael Hudson <mwh at python.net> wrote:

>> My question is does python share java's peculiar mode of bit
>> shifting, or does python adhere closer to c's bit shifting?
>
> The right shift in Python is arithmetic, i.e. preserves the
> sign bit.

Which one is the sign bit?  IOW, how wide is a "word"?

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