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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_zeo_root(self, attempts=3):
 """ Get and initialize the ZEO root object. Args: attempts (int, default 3):
 How many times to try, if the connection was lost. """

        try:
            db_root = self._connection.root()
        except ConnectionStateError:
            if attempts <= 0:
                raise

            self._open_connection()
            return self._init_zeo_root(attempts=attempts-1)

        # init the root, if it wasn't already declared
        if self.project_key and self.project_key not in db_root:
            with transaction.manager:
                db_root[self.project_key] = self.default_type()

        self._root = db_root[self.project_key] if self.project_key else db_root