dmerrick/gist:5629212

Created May 22, 2013 17:08

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gistfile1.txt

	>> a = [2, 1, 3]
	=> [2, 1, 3]
	>> a.sort
	=> [1, 2, 3]
	>> a
	=> [2, 1, 3]
	>> a.sort!
	=> [1, 2, 3]
	>> a
	=> [1, 2, 3]

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