title: Combining 2 lists in python
body: <p>I have 2 lists each of equal size and am interested to combine these two lists and write it into a file.</p>
  
  <pre><code>alist=[1,2,3,5] 
  blist=[2,3,4,5] 
  </code></pre>
  
  <p>--the resulting list should be like 
      [(1,2), (2,3), (3,4), (5,5)]</p>
  
  <p>After that i want that to be written it to a file. How can i accomplish this?</p>