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How to golf in python

Posted March 14th, 2010 by ch3ka

Had some fun in c.l.py.
Given was:
def fizzbuzz(num): > if num: > if num % 15 is 0: return fizzbuzz(num-1) + 'fizzbuzz \n' > elif num % 5 is 0: return fizzbuzz(num-1) + 'buzz \n' > elif num % 3 is 0: return fizzbuzz(num-1) + 'fizz \n' > else : return fizzbuzz(num-1) + ('%d \n' % num) > return '' > print fizzbuzz(100)

Since this was not funny enough, I wrote:
for i in range(1,101):print('','fizz')[not i%3]+('','buzz')[not i%5]or i

This works because not casts to bool and (True, False) == (1, 0).
It also exploits short circuit evaluation and the fact that the or matches against the result of + due to evaluation order, where '' would yield False.

I guess I should give perl another try someday to get this in a half line :)

If you liked this, buy me a beer and / or comment below

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