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Unique array?
Hi everybody!
I have a question concering arrays..
Say I have the following array:
(1,12)
(1,13)
(2,14)
(2,15)
(2,3)
(2,16)
(3,15)
(3,3)
(3,20)
(3,5)
(3,6)
(3,20)
Everything is OK except that pair (3,20) is repeated twice. How can I avoid it? 'Map' function is the answer?
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