Substring Comparison in python
<p>If i have List PhoneDirectory
Eg:</p>

<pre><code>['John:009878788677' , 'Jefrey:67654654645' , 'Maria:8787677766']
</code></pre>

<p>Which is the function that can be use to compare the Presence of Substring (Eg: Joh) in each entry in the List .</p>

<p>I have tried using </p>

<pre><code>if(PhoneDirectory.find(Joh) != -1)
</code></pre>

<p>but it doesnt work</p>

<p>kindly Help..</p>
