Gabriel Genellina wrote:
[...]
> py> import timeit
> py>
> py> def f1():
> ... a=""
> ... for i in xrange(100000):
> ... a+=str(i)*20
> ...
> py> def f2():
> ... a=[]
> ... for i in xrange(100000):
> ... a.append(str(i)*20)
> ... a="".join(a)
> ...
> py> print timeit.Timer("f2()", "from __main__ import f2").repeat(number=1)
> [0.42673663831576358, 0.42807591467630662, 0.44401481193838876]
> py> print timeit.Timer("f1()", "from __main__ import f1").repeat(number=1)
>
> ...after a few minutes I aborted the process...
>
Using
Python 2.4.4 (#2, Jan 13 2007, 17:50:26)
[GCC 4.1.2 20061115 (prerelease) (Debian 4.1.1-21)] on linux2
f1() and f2() also virtually take the same amount of time, although I must
admit
that this is quite different from what I expected.
Cheers,
Christof
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