1 \textbf{Getting Started -- files}

     2 

     3 \lstinline|f = open('filename')| returns a file object. \lstinline|f|

     4 can be used to perform further operations on the file. 

     5 

     6 \lstinline|f.read()| reads the whole file and returns the contents. 

     7 

     8 \lstinline|f.close()| closes the file. 

     9 

    10 \lstinline|for line in open('filename'):| -- iterate over the file

    11 line-by-line. 

    12