Help with python functions?
tn156 at scarletmail.rutgers.edu
tn156 at scarletmail.rutgers.edu
Mon Feb 10 13:57:02 EST 2014
On Monday, September 23, 2013 6:48:20 PM UTC-4, Terry Reedy wrote:
> On 9/23/2013 6:32 PM, kjakupak at gmail.com wrote:
>
> > On Monday, September 23, 2013 9:56:45 AM UTC-4, Steven D'Aprano wrote:
>
> >> On Mon, 23 Sep 2013 05:57:34 -0700, kjakupak wrote:
>
> >>
>
> >> Now you're done! On to the next function...
>
> >>
>
> >>
>
> >>
>
> >> --
>
> >>
>
> >> Steven
>
> >
>
> > def temp(T, from_unit, to_unit):
>
> > conversion_table = {('c', 'k'):lambda x: x + 273.15,
>
> > ('c', 'f'):lambda x: (x * (9.0/5)) + 32,
>
> > ('k', 'c'):lambda x: x - 273.15,
>
> > ('k', 'f'):lambda x: (x * (9.0/5)) - 459.67,
>
> > ('f', 'c'):lambda x: (x - 32) * (5.0/9),
>
> > ('f', 'k'):lambda x: (x + 459.67) * (5.0/9)}
>
> > f = conversion_table[(from_unit.lower(), to_unit.lower())]
>
> > return f(T)
>
>
>
> What happens if you run some tests? If you use unittest, you can use the
>
> assertAlmostEqualMethod, or just write something similar yourself. Be
>
> careful with values near 0..
>
>
>
> At minimum, how many tests do you need, 6 or 9?
>
>
>
>
>
> --
>
> Terry Jan Reedy
can I use elif instead of lambda?
More information about the Python-list
mailing list