how to convert code that uses cmp to python3
Chris Angelico
rosuav at gmail.com
Fri Apr 8 10:08:38 EDT 2016
On Fri, Apr 8, 2016 at 11:31 PM, Antoon Pardon
<antoon.pardon at rece.vub.ac.be> wrote:
> Doing it as follows:
> seq1 < seq2
> seq2 < seq1
>
> takes about 110 seconds.
>
>
> Doing it like this:
> delta = cmp(seq1, seq2)
> delta < 0
> delta > 0
>
> takes about 50 seconds.
Why are you comparing in both directions, though? cmp() is more
equivalent to this:
seq1 == seq2
seq1 < seq2
You only need ONE comparison, and the other is presumed to be its
opposite. When, in the Python 3 version, would you need to compare
twice?
ChrisA
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