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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def printStats(self):
 """ shortcut to pull out useful info for interactive use """

        printDebug("----------------")
        printDebug("Parents......: %d" % len(self.parents()))
        printDebug("Children.....: %d" % len(self.children()))
        printDebug("Ancestors....: %d" % len(self.ancestors()))
        printDebug("Descendants..: %d" % len(self.descendants()))
        printDebug("Domain of....: %d" % len(self.domain_of))
        printDebug("Range of.....: %d" % len(self.range_of))
        printDebug("Instances....: %d" % self.count())
        printDebug("----------------")