def add_to_end(self, html, extra_html):
        match = self._end_body_re.search(html)
        if not match:
            return html + extra_html
        else:
            return html[:match.start()] + extra_html + html[match.start():]
solve_triangular on a simple 2x2 matrix.
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/webob_0_9/docs/comment-example-code/example.py/Commenter.add_to_end--crossover with--dataset/ETHPy150Open scipy/scipy/scipy/linalg/tests/test_basic.py/TestSolveTriangular.test_simple