On Aug 29, 7:18 pm, Alain Ketterlin <al...@dpt-info.u-strasbg.fr>
wrote:
> In general, if you have a program that produces something just to
> remove/ignore it five lines later, you have a problem. In your case:
>
> 1) are you sure you need to append to list(*) at every iteration? When
> do you *really* need to? And...
>
> 2) your loop runs up to n (the index of the fib number), but you want to
> stop on some fib number value (not index).
>
> So, why not pass start and end to i_fib, and use them where appropriate?
>
Hi Alain
Thank you for your (pragmatic) suggestions! Based on your input i was
able to considerably optimise my approach:
def fib_range(start, end):
fib_1 = 0
fib_2 = 1
range = []
while fib_2 < end:
fib_1, fib_2 = fib_2, fib_1 + fib_2
if fib_2 >= start and fib_2 <= end:
range.append(fib_2)
return range
print fib_range(4,76)
Thanks
Baba
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