title: How to use Reactive Extensions (Rx) LINQ in Python?
body: <p>I downloaded <a href="https://github.com/ReactiveX/RxPY" rel="nofollow noreferrer">RxPY</a> and was watching the <a href="https://channel9.msdn.com/Series/Rx-Workshop/Rx-Workshop-Schedulers" rel="nofollow noreferrer">Rx tutorials</a> when I came across:</p>
  
  <p><a href="https://i.stack.imgur.com/ufQjz.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ufQjz.png" alt="enter image description here"></a></p>
  
  <p>So how would I get the above working in Python with RxPY? In particular, the query <code>q = from x in xs where...</code> is not syntactically valid Python code -- so how would this be changed?</p>