Python: Creating a table, what does "none" mean?
<p>Trying to build a basic multiplication table, and I keep getting these "none"s. What do they mean and how can I get rid of them?</p>

<pre><code>    &gt;&gt;&gt; def M(n):
...     i = 1
...     while i &lt;= 6:
...             print i*n, '\t',
...             i = i +1
...     print

    &gt;&gt;&gt; def printT():
...     w = 1
...     while w &lt;= 6:
...             print M(w)
...             w = w + 1
... 

&gt;&gt;&gt; printT()
1   2   3   4   5   6   
None
2   4   6   8   10  12  
None
3   6   9   12  15  18  
None
4   8   12  16  20  24  
None
5   10  15  20  25  30  
None
6   12  18  24  30  36  
None
</code></pre>
