IPython notebooks have gone multi language:<p><a href="https:&#x2F;&#x2F;jupyter.org&#x2F;" rel="nofollow">https:&#x2F;&#x2F;jupyter.org&#x2F;</a><p><a href="https:&#x2F;&#x2F;blog.jupyter.org&#x2F;2015&#x2F;04&#x2F;15&#x2F;the-big-split&#x2F;" rel="nofollow">https:&#x2F;&#x2F;blog.jupyter.org&#x2F;2015&#x2F;04&#x2F;15&#x2F;the-big-split&#x2F;</a><p>I think Julia was one of the early alternate languages.