title: Python finding text in items
body: <p>I want to find best solution for following situation:<br>
  i got following items:<br>
  <code>item1</code> which contain <code>test1</code> and <code>test2</code><br>
  <code>item2</code> which contain <code>test3</code> and <code>test4</code><br>
  and<br>
  <code>item3</code> which contain <code>test5</code><br>
  And <code>superItem</code> which contain <code>item1</code>,<code>item2</code> and <code>item3</code></p>
  
  <p>Which methods should I use to achive following results;<br>
  I got a variable <code>check</code> which contain <code>test1</code><br>
  I want to receive in <code>result</code> variable <code>item1</code>...</p>
  
  <p>In another words:
  I want to receive name of item which contain same text as in variable <code>check</code></p>
  
  <p>What is the best solution?</p>