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/gist:6183623

Created August 8, 2013 10:43
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Timeit's, split numbers into threes
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gistfile1.txt
In [1]: a = '12345678'
In [2]: %timeit [a[max(i-3,0):i] for i in range(len(a), 0, -3)][::-1]
100000 loops, best of 3: 2.19 us per loop
In [3]: %timeit format(int(a), ',').split(',')
100000 loops, best of 3: 2.04 us per loop
In [4]: %timeit [a[max(0,i-2+(len(a)-1)%3):i+1+(len(a)-1)%3] for i in range(0, len(a), 3)]
100000 loops, best of 3: 2.91 us per loop
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