On Dec 8, 11:12 am, Tim Chase <[EMAIL PROTECTED]> wrote:
> > a = list(range(10, 21))
>
> > b = 9
>
> > c = 21
>
> > How can I find out if b and c have values less or more than the values
> > in list a?
>
> Sounds like a good use for 2.5's addition of the any() and all()
> functions -- you don't mention whether you want your variable
> compared against *any* of the list items or *all* of the list
> items. You also don't mention whether you want the comparison
> results, or just a single scalar. Lastly, you omit the details
> of what happens if your target value ("d" below) falls within the
> range. One of the following should do it for you:
>
> >>> a = range(10,21)
> >>> b = 9
> >>> c = 21
> >>> d = 15
> >>> any(b < x for x in a)
> True
> >>> all(b < x for x in a)
> True
> >>> any(c < x for x in a)
> False
> >>> any(d < x for x in a)
> True
> >>> all(d < x for x in a)
> False
> >>> any(c > x for x in a)
> True
> >>> all(c > x for x in a)
> True
> >>> any(d > x for x in a)
> True
> >>> all(d > x for x in a)
> False
>
> If you just want the comparisons:
>
> y1 = [b<x for x in a]
> y2 = [c<x for x in a]
> y3 = [d<x for x in a]
> z1 = [(b<x, b>x) for x in a]
> z2 = [(c<x, c>x) for x in a]
> z3 = [(d<x, d>x) for x in a]
>
> -tkc
Hi Tim. I'm just learning Python at the moment. All I was really
wanting was a True or False value which min and max give.
a = list(range(10, 21))
b = 9
c = 21
if b < min(a)
if c > max(a)
The any() and all() functions look useful so thanks for the tips.
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