Conditional operator in Python?

[Marcin 'Qrczak' Kowalczyk]

Tue, 4 Sep 2001 07:24:13 +0000 (UTC), thp at cs.ucr.edu <thp at cs.ucr.edu> pisze:

> Using, say, ?: notation this would be written:
> 
>   p = lambda k, n : 
>     k < 1  or k > n  ? 0 :
>     n == 1 or n == k ? 1 :
>     p( k-1, n-1 ) + p (k, n-k )
> 
> which seems much more concise and readable.

IMHO this would look more clearly:

    p = lambda k, n:
      if k < 1  or k > n  then 0 else
      if n == 1 or n == k then 1 else
      p( k-1, n-1 ) + p (k, n-k )

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