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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 create(self, data={}, store=None):
 """Initiazes an OPR First step in the OPR process is to create the OPR request. Returns the OPR token """

        _store = store or self.store
        _data = self._build_opr_data(data, _store) if data else self._opr_data
        return self._process('opr/create', _data)