[Greenbuilding] Pithy python
Kathy Cochran
kathys_old_house at goldrush.com
Sat Jan 22 13:22:31 CST 2011
Does that mean that something either fabulous or catastrophic is going to
happen this year? (But I confess, being a "numbers nurd", that is rather
interesting.)
Kathy
-----Original Message-----
From: greenbuilding-bounces at lists.bioenergylists.org
[mailto:greenbuilding-bounces at lists.bioenergylists.org] On Behalf Of nick
pine
Sent: Saturday, January 22, 2011 4:46 AM
To: greenbuilding at lists.bioenergylists.org
Subject: [Greenbuilding] Pithy python
Nathan Hurst writes:
>nick pine wrote:
>> 2011 is the sum of 11 consecutive primes.
python
>>> primes = [2]
>>> for i in range(2, 2011):
... if all((i % x) for x in primes):
... primes.append(i)
...
>>> firstprime = bisect.bisect_left([sum(primes[i:i+11]) for i in
range(len(primes))], 2011)
>>> print firstprime
36
>>> sum( primes[36:36+11])
2011
>>> primes[36:36+11]
[157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211]
njh
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