title: How do you copy a list into another list in python?
body: <p>I have a list something like below-
  Xlist -  </p>
  
  <pre><code>[('00:04:F2:FF:7A:1D'    -88), ('4C:49:E3:64:9D:D6'  -63),  
   ('00:EC:0A:87:61:F8'    -58), ('CC:9F:7A:99:0D:EA'  -80)]
  </code></pre>
  
  <p>I need the list to be sorted in following way-
  YList-</p>
  
  <pre><code>[('4C:49:E3:64:9D:D6'    -63), ('00:EC:0A:87:61:F8'  -58),  
   ('CC:9F:7A:99:0D:EA'    -80), ('00:04:F2:FF:7A:1D'  -88)]
  </code></pre>
  
  <p>I am a beginner in python.
  How to copy the elements in the above format?</p>