From: "Jan E." <lists@...>
Date: 2012-12-11T06:35:59+09:00
Subject: Re: Dynamically create an array

Hi,

that "hash" is nowhere near a valid Ruby expression. If this is supposed 
to be an array of hashes (with commas between the elements), use 
Array#map:

jims_grades = grades.map {|grade| grade['Jim']}
p jims_grades

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