title: How to split a input to each character?
body: <p>Suppose I get input as <code>apple</code>, how can I split it in list of each character like <code>['a','p','p','l','e']</code>?</p>
  
  <p>I tried <code>[i for i in input().split('')]</code>,</p>
  
  <p>but it outputs error: <code>ValueError: empty separator</code>.</p>