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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 get(self, bucket=None, key=None, version_id=None, upload_id=None, uploads=None, download=None):
 """Get object or list parts of a multpart upload. :param bucket: The bucket (instance or id) to get the object from. (Default: ``None``) :param key: The file key. (Default: ``None``) :param version_id: The version ID. (Default: ``None``) :param upload_id: The upload ID. (Default: ``None``) :param download: The download flag. (Default: ``None``) :returns: A Flask response. """

        if upload_id:
            return self.multipart_listparts(bucket, key, upload_id)
        else:
            obj = self.get_object(bucket, key, version_id)
            # If 'download' is missing from query string it will have
            # the value None.
            return self.send_object(bucket, obj,
                                    as_attachment=download is not None)