Paste: don't get the function

Author:	al
Mode:	factor
Date:	Fri, 2 Jul 2010 20:18:03

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i have to solve this function but i don't come with a good answer, can someone help understand how i get 120 as a result???


thanks in advanced

Annotation: forgot the code

Author:	al
Mode:	factor
Date:	Fri, 2 Jul 2010 20:19:17

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1 5 [ dup 0 > ] [ [ * ] keep 1 - ] while drop

Annotation: in python

Author:	mrjbq7
Mode:	python
Date:	Fri, 9 Jul 2010 01:19:40

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x = 1
y = 5

while y > 0:
    x *= y
    y -= 1

print x, y

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