On Mon, Jul 21, 2014 at 02:18:10PM +0400, Maria Kustova wrote: > +def random_from_intervals(intervals): > + """Select a random integer number from the list of specified intervals > + > + Each interval is a tuple of lower and upper limits of the interval. The > + limits are included. Intervals in a list should not overlap. > + """ > + total = reduce(lambda x, y: x + y[1] - y[0] + 1, intervals, 0) > + r = random.randint(0, total-1) + intervals[0][0] > + temp = zip(intervals, intervals[1:]) > + for x in temp: > + r = r + (r > x[0][1])*(x[1][0] - x[0][1] - 1)
Please use space around arithmetic operators: r = r + (r > x[0][1]) * (x[1][0] - x[0][1] - 1)
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