inclusive-lower-bound, exclusive-upper-bound (was Re: Range Operation pre-PEP)

[Grant Edwards]

In article <3AFB0DB9.BDAE54A5 at one.net.au>, Andrew Maizels wrote:

>I can see where consistency is important, but why does Python do the
>inclusive-lower-bound, exclusive-upper-bound thing?

one reason is so that for 0 <= n < len(a),

    a[:n]+a[n:] == a
    
That property makes processing sections of lists much simpler.    

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