where are isinstance types documented?

[Sion Arrowsmith]

Fredrik Lundh  <fredrik at pythonware.com> wrote:
>based on http://docs.python.org/ref/types.html, here's a list of the 
>most commonly used core types:
> [ ... ]
>Sequences:
>     str
>     unicode
>     tuple
>     list

And set, presumably.

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