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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 networkproperties(self):
 """Print out some properties of the network defined by the |Node| and |Element| objects currently handled by the |HydPy| object."""

        print('Number of nodes: %d' % len(self.nodes))
        print('Number of elements: %d' % len(self.elements))
        print('Number of end nodes: %d' % len(self.endnodes))
        print('Number of distinct networks: %d' % len(self.numberofnetworks))
        print('Applied node variables: %s' % ', '.join(self.variables))