def getAverage(die, numRolls, numTrials):
    """
      - die, a Die
      - numRolls, numTrials, are positive ints
      - Calculates the expected mean value of the longest run of a number
        over numTrials runs of numRolls rolls, and the 95% confidence interval.
        Rounds the mean and confidence interval to 3 decimal places.
      - Calls makeHistogram to produce a histogram of the longest runs for all
        the trials. There should be 10 bins in the histogram
      - Choose appropriate labels for the x and y axes.
      - Returns the mean calculated
    """
    # TODO
    rolls = [0] * 6
    for i in range(0, numRolls):
        roll=int(random.randint(1,6))
        rolls[roll - 1] += 1
 
        pylab.hist(die, bins=10)
        pylab.xlabel('numTrials')
        pylab.ylabel('numRolls')
    #pylab.title(title)
        pylab.show() 
    return getMean(rolls)  

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