title: How to sort this list? python
body: <pre><code>mylist = [
      'Attendance w1-2 (Responses) - Form Responses 1.csv',
      'Attendance w15-2 (Responses) - Form responses 1.csv',
      'Attendance w5-1 (Responses) - Form Responses 1.csv',
      'Attendance w7-2 (Responses) - Form Responses 1.csv',
      'Attendance w13-2 (Responses) - Form responses 1.csv',
      'Attendance w5-2 (Responses) - Form Responses 1.csv',
      'Attendance w9-2 (Responses) - Form Responses 1.csv',
      'Attendance w4-2 (Responses) - Form Responses 1.csv',
      'Attendance w1-1 (Responses) - Form Responses 1.csv',
      'Attendance w12-2 (Responses) - Form responses 1.csv',
      'Attendance w2-1 (Responses) - Form Responses 1.csv',
      'Attendance w14-2 (Responses) - Form responses 1.csv',
      'Attendance w3-1 (Responses) - Form Responses 1.csv',
      'Attendance w12-1 (Responses) - Form responses 1.csv',
      'Attendance w14-1 (Responses) - Form responses 1.csv',
      'Attendance w8-2 (Responses) - Form Responses 1.csv',
      'Attendance w4-1 (Responses) - Form Responses 1.csv',
      'Attendance w15-1 (Responses) - Form responses 1.csv',
      'Attendance w3-2 (Responses) - Form Responses 1.csv',
      'Attendance w6-2 (Responses) - Form Responses 1.csv',
      'Attendance w7-1 (Responses) - Form Responses 1.csv',
      'Attendance w2-2 (Responses) - Form Responses 1.csv',
      'Attendance w6-1 (Responses) - Form Responses 1.csv',
      'Attendance w11-1 (Responses) - Form Responses 1.csv'
  ]
  </code></pre>
  
  <p>How to sort this list based on <code>wx-x</code>?</p>