title: How to convert numeric words into numeric in python
body: <p>I want to convert numeric which represented in words into numbers.</p>
  
  <p>for example,
    <code>thirty four thousand four fifty</code> into its corresponding numerical value  <code>34450</code>. 
  Also have some fuzzy conversions like <code>"Please pay thirty-four thousand four fifty dollars"</code> then the output to be <code>34450</code>.</p>