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Re: Combination Function Help

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To python-list@python.org
From Mark Lawrence <breamoreboy@yahoo.co.uk>
Subject Re: Combination Function Help
Date Wed, 12 Feb 2014 16:55:10 +0000
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On 12/02/2014 15:56, kjakupak@gmail.com wrote:
> def choices(n, k):
>      if k == 1:
>          return n
>      if n == k:
>          return 1
>      if k == 0:
>          return 1
>      return choices(n - 1, k) + choices(n - 1, k - 1)
>      print ("Total number of ways of choosing %d out of %d courses: " % (n, k))
>
> n = int(input("Number of courses you like: "))
> k = int(input("Number of courses you can register for: "))
> choices(n, k)
>
> Changed it like you said, didn't work
>

Changed it like who said?  I'm assuming myself, but with no context you 
can't always tell.  Also, stating "didn't work" is often useless to us. 
  What didn't work?  Why didn't it work?  Here it's obvious, you're 
throwing away the return value from your function call.  Either save the 
return value and print it or add the function call directly to your 
original print call.

-- 
My fellow Pythonistas, ask not what our language can do for you, ask 
what you can do for our language.

Mark Lawrence

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Thread

Combination Function Help kjakupak@gmail.com - 2014-02-12 07:20 -0800
  Re: Combination Function Help Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-02-12 15:40 +0000
    Re: Combination Function Help kjakupak@gmail.com - 2014-02-12 07:56 -0800
      Re: Combination Function Help Joel Goldstick <joel.goldstick@gmail.com> - 2014-02-12 11:21 -0500
      Re: Combination Function Help John Ladasky <john_ladasky@sbcglobal.net> - 2014-02-12 08:24 -0800
      Re: Combination Function Help Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-02-12 16:55 +0000
      Re: Combination Function Help Dave Angel <davea@davea.name> - 2014-02-12 13:38 -0500
        Re: Combination Function Help kjakupak@gmail.com - 2014-02-12 14:59 -0800
          Re: Combination Function Help Mark Lawrence <breamoreboy@yahoo.co.uk> - 2014-02-12 23:15 +0000
          Re: Combination Function Help Dave Angel <davea@davea.name> - 2014-02-12 18:22 -0500

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