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comparison python/utils.py @ 456:825e5d49325d

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slight update
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Wed, 19 Feb 2014 16:30:45 -0500
parents abe0b2347d4c
children 30b3455978d9
comparison
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455:abe0b2347d4c 456:825e5d49325d
271 ######################### 271 #########################
272 # iterable section 272 # iterable section
273 ######################### 273 #########################
274 274
275 def mostCommon(L): 275 def mostCommon(L):
276 '''Returns the most frequent element in a iterable''' 276 '''Returns the most frequent element in a iterable
277
278 taken from http://stackoverflow.com/questions/1518522/python-most-common-element-in-a-list'''
277 from itertools import groupby 279 from itertools import groupby
278 from operator import itemgetter 280 from operator import itemgetter
279 # get an iterable of (item, iterable) pairs 281 # get an iterable of (item, iterable) pairs
280 SL = sorted((x, i) for i, x in enumerate(L)) 282 SL = sorted((x, i) for i, x in enumerate(L))
281 # print 'SL:', SL 283 # print 'SL:', SL