title: How to replace punctuation with whitespace
body: <pre><code>punc_list = [".",";",":","!","?","/","\\",",","#","@","$","&amp;",")","(","'","\""]
  new_s = ''
  for i in s:
      if i not in punc_list:
          new_s += i
  return new_s.lower()
  </code></pre>
  
  <p>If the input is</p>
  
  <pre><code>s = ("Hey! M'y nam;e i's")
  </code></pre>
  
  <p>I would want the output to be: </p>
  
  <pre><code>s = ('hey  m y name e i s') 
  </code></pre>
  
  <p>I am having trouble replacing punc with whitespace</p>