title: I have a high-performant function written in Julia, how can I use it from Python?
body: <p>I have a found a Julia function that nicely does the job I need.
  How can I quickly integrate it to be able to call it from Python?</p>
  <p>Suppose the function is</p>
  <pre><code>f(x,y) = 2x.+y
  </code></pre>
  <p>What is the best and most elegent way to use it from Python?</p>