Created
October 29, 2014 02:23
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xx = [1,2,3] | |
=> [1, 2, 3] | |
yy = xx | |
=> [1, 2, 3] | |
yy.delete 2 | |
=> 2 | |
yy | |
=> [1, 3] | |
xx | |
=> [1, 3] |
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