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Link: http://codepad.org/atUOCrWr    [ raw code | output | fork ]

Ruby, pasted on Mar 21:
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require "pp"

arr1 = [1, 2, 3, 3, 4]
arr2 = [3, 4, 5]

pp arr1 | arr2
pp arr1 & arr2
pp arr1 + arr2
pp arr1 - arr2


Output:
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2
3
4
[1, 2, 3, 4, 5]
[3, 4]
[1, 2, 3, 3, 4, 3, 4, 5]
[1, 2]


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