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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 init_storage(self):
 """Set current term to zero upon initialization & voted_for to None"""

        if not self.storage.exists('term'):
            self.storage.update({
                'term': 0,
            })

        self.storage.update({
            'voted_for': None
        })