craigslist.py 文件源码

def _print(self):
        """Print statistics and other informational text."""
        mean = statistics.mean(self.prices)
        median = statistics.median(self.prices)
        stdev = statistics.stdev(self.prices)
        high = mean + stdev
        low = mean - stdev

        print(dedent('''\
        Sourced %d prices in %.3f seconds

        Mean:\t$%.2f
        Median:\t$%.2f
        Hi/Lo:\t$%.2f/$%.2f
        StDev:\t%.2f
        ''' % (len(self.prices), self.duration,
               mean, median, high, low, stdev)))