Hi David,
On Apr 29, 2:42 pm, David Joyner <wdjoy...@gmail.com> wrote:
> sage: len(optional_packages()[int(1)])
> 41
>
> or
>
> sage: len(flatten(list(optional_packages())))
> 41
>
> is the right command (should int(1) really be needed?).
I would do:
sage: L=optional_packages()
sage: len(L[0])+len(L[1])
41
since L[0] comprises the installed and L[1] the not-yet-installed
packages.
Cheers,
Simon
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