title: the tab character in python really confuse me
body: <pre><code>i = 1
  while  i &lt;= 6:  
      print 2**i,'    ','\t', 3**i  
      i += 1
  print 
  </code></pre>
  
  <hr>
  
  <pre><code>i = 1     
  while  i &lt;= 6:
      print 2**i ,'\t', 3**i
      i += 1
  print 
  </code></pre>
  
  <p>This is the two different code I wrote. For the first one, I add four spaces and the output is strange. If I change the four spaces into three spaces, the output of the two codes will be the same. I don't understand it. </p>
  
  <p>Output:
  <a href="https://i.stack.imgur.com/Z14Yk.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Z14Yk.png" alt="enter image description here"></a></p>