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−\textbf{Getting Started -- files}
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−
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−\lstinline|f = open('filename')| returns a file object. \lstinline|f|
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−can be used to perform further operations on the file. 
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−
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−\lstinline|f.read()| reads the whole file and returns the contents. 
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−
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−\lstinline|f.close()| closes the file. 
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−
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−\lstinline|for line in open('filename'):| -- iterate over the file
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−line-by-line. 
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−