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Date: Tue, 27 Mar 2012 10:53:11 -0500
From: Tim Chase <python.list@tim.thechases.com>
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To: "Prasad, Ramit" <ramit.prasad@jpmorgan.com>
Subject: Re: Advise of programming one of my first programs
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On 03/27/12 10:32, Prasad, Ramit wrote:
>> fileread = open('myfile.txt','r')
>> tbook = eval(fileread.read())
>> fileread.close()
>
> The use of eval is dangerous if you are not *completely* sure what is
> being passed in. Try using pickle instead:
> http://docs.python.org/release/2.5.2/lib/pickle-example.html

Or, depending on the use, you might use ast.literal_eval()

A cursory glance at the OP's code suggests that this may simply 
be a dict of values-to-lists of purely literals, so 
literal_eval() should do the job.

-tkc