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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 dump(self):
 """Print a formatted summary of the current solve state."""

        from rez.utils.formatting import columnise

        rows = []
        for i, phase in enumerate(self.phase_stack):
            rows.append((self._depth_label(i), phase.status, str(phase)))

        print "status: %s (%s)" % (self.status.name, self.status.description)
        print "initial request: %s" % str(self.request_list)
        print
        print "solve stack:"
        print '\n'.join(columnise(rows))

        if self.failed_phase_list:
            rows = []
            for i, phase in enumerate(self.failed_phase_list):
                rows.append(("#%d" % i, phase.status, str(phase)))
            print
            print "previous failures:"
            print '\n'.join(columnise(rows))