On Thu, 1 Nov 2007, William Stein wrote:
> Applying the permutation (1,2,3)(4,5) to [0,1,2,3,4]
> should either move the entry in position 1 (which happens
> to be called "0") to position 2, so that the output looks like
> [*,0,*,*,*]
> or if we do some weird 1-based thing, it would always
> fix the first entry, then send the entry in position 1 to
> position 2 and look like:
> [0,*,1,*,*]
Also, forget about the zero. I never look at the content of the lists, so
expecting it to not move zero just doesn't make sense. This works on strings,
too:
sage: g('abcde')
'bcaed'
If you still disagree, I suggest backing out the patch and waiting for Jason
Grout, who requested the feature, to clarify his intent. (OTOH, backing it out
isn't really necessary -- the patch only adds functionality)
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