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kmanalo/itertools-range.py

Created December 3, 2014 15:14
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itertools-range.py
import operator
import itertools
def contiguous_range(data):
""" determine continguous ranges of integer data """
cr_data = []
for k, g in itertools.groupby(enumerate(data), lambda (i,x):i-x):
cr_data.append(map(operator.itemgetter(1), g))
return cr_data
data = [ 1, 4,5,6, 10, 15,16,17,18, 22, 25,26,27,28]
print contiguous_range(data)
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