Input a data file .txt and output specific data to a new .txt file using Python
<p>I would like to input or read the following data of a .txt file:</p>

<pre><code>VIBRATION/SHOCK CALIBRATION DATA
DATE: 2/26/2012 
TIME: 0800
Time (ms)   Channel 1    Channel 2     Channel 3
0.0         -0.9         9.0           12.9
50.0        5.0          12            343  
100.0       56.7         120           0.8
150.0       90.0         0.9           12.0
200.0       32.9         12.4          34.0
</code></pre>

<p>Then output to a new .txt file such that only the numbers are written for Time and Channel 3 columns:</p>

<pre><code>0.0     12.9
50.0    343
100.0   0.8
150.0   12.0
200.0   34.0
</code></pre>
