title: How can I get python to read every nth line of a .txt file?
body: <p>If I wanted python to read every 2nd (or every 4th) line of a file, how could I tell it to do so? Additionally, if I wanted to read line 2 of a .txt file, but every 4 lines after that (next line would be line 6, then 10, and so on forth), how could I make it do so?</p>