Chinook wrote:
>   >>> ta = [5, 15, 12, 10, 9]
>   >>> for i in range(len(ta)):
>  ...   if ta[i] >= 10:
>  ...     ta[i] -= 10
>  ...   else:
>  ...     ta[i] += 10
>  ...
>   >>> ta
>  [15, 5, 2, 0, 19]

One possibility:

py>  [(tai + 10, tai - 10)[tai >= 10] for tai in ta]
[15, 5, 2, 0, 19]

But see:

http://www.python.org/peps/pep-0308.html

STeVe
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