<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _write_to_file(self, filename, bytesvalue):
 """Write bytesvalue to filename."""

        fh, tmp = tempfile.mkstemp()
        with os.fdopen(fh, self._flag) as f:
            f.write(self._dumps(bytesvalue))
        rename(tmp, filename)
        os.chmod(filename, self._mode)