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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_snapshot(self, name=None, description=None, force=False):
 """ Creates a snapshot of this volume, with an optional name and description. Normally snapshots will not happen if the volume is attached. To override this default behavior, pass force=True. """

        name = name or ""
        description = description or ""
        # Note that passing in non-None values is required for the _create_body
        # method to distinguish between this and the request to create and
        # instance.
        return self.manager.create_snapshot(volume=self, name=name,
                    description=description, force=force)