title: Create a tuple from an input in Python
body: <p>Here is my example:</p>
  
  <pre><code>&gt;&gt;&gt; a=input ('some text : ')  # value entered is 1,1
  &gt;&gt;&gt; print (a)
  1,1
  </code></pre>
  
  <p>I want as a result a tuple   (1, 1)</p>
  
  <p>How can I do this?</p>