+class RunningMedian(object):
+ """A running median computer.
+
+ >>> median = RunningMedian()
+ >>> median.add_number(1)
+ >>> median.add_number(10)
+ >>> median.add_number(3)
+ >>> median.get_median()
+ 3
+ >>> median.add_number(7)
+ >>> median.add_number(5)
+ >>> median.get_median()
+ 5
+ >>> median.get_mean()
+ 5.2
+ >>> round(median.get_stdev(), 2)
+ 6.99
+ """
+