Two candies

[Raymond Hettinger]

[bearophileH]
>
> 1) A fast and memory efficient way to create an array.array at a
> certain size.
> At the moment I can see some ways to do it:
>
> from array import array
> from itertools import repeat
> a = array("l", repeat(0, n)) #3
 . . .
> - #3 interacts badly with Psyco (Psyco doesn't digest itertools at
> all), and it seems not memory efficient.

#3 is a fine choice.  It is memory efficient -- the repeat() itertool
takes-up only a few bytes.  It doesn't need psyco, you already have to
fast C routines talking to each other without having to go through the
interpreter loop.

Raymond