Help with lambda
D'Arcy J.M. Cain
darcy at druid.net
Thu Feb 18 13:56:03 CET 2010
On Thu, 18 Feb 2010 04:28:00 -0800 (PST)
lallous <elias.bachaalany at gmail.com> wrote:
> def make_power(n):
> return lambda x: x ** n
Hint: type(make_power(2))
Did you expect that to return "int"?
> # Create a set of exponential functions
> f = [lambda x: x ** n for n in xrange(2, 5)]
> g = [make_power(n) for n in xrange(2, 5)]
The result of make_power(n) is a function that raises it's argument to
the power of n. I don't know what you are trying to do. Maybe this?
g = [make_power(n)(2) for n in xrange(2, 5)]
or
g = [make_power(2)(n) for n in xrange(2, 5)]
--
D'Arcy J.M. Cain <darcy at druid.net> | Democracy is three wolves
http://www.druid.net/darcy/ | and a sheep voting on
+1 416 425 1212 (DoD#0082) (eNTP) | what's for dinner.
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