def write(self, offset, data):
        """Write data to the medium.

        in offset of type int
            The byte offset into the medium to start reading at.

        in data of type str
            Array of data to write.

        return written of type int
            How many bytes were actually written.

        """
        if not isinstance(offset, baseinteger):
            raise TypeError("offset can only be an instance of type baseinteger")
        if not isinstance(data, list):
            raise TypeError("data can only be an instance of type list")
        for a in data[:10]:
            if not isinstance(a, basestring):
                raise TypeError(
                        "array can only contain objects of type basestring")
        written = self._call("write",
                     in_p=[offset, data])
        return written
Write data to the medium.

        in offset of type int
            The byte offset into the medium to start reading at.

        in data of type str
            Array of data to write.

        return written of type int
            How many bytes were actually written.