2
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Example: I have two 2D lists (each list has no duplicate elements):

l1 = {{1, 1}, {2, 2}, {3, 3}, {4, 4}};
l2 = {{1, 1}, {3, 3}, {5, 5}};

How can I create a new list which consists of elements that are same in both lists?

The result should be:

l={{1, 1}, {3, 3}};
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closed as off-topic by Jason B., J. M. will be back soon Mar 29 '16 at 11:02

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  • "This question arises due to a simple mistake such as a trivial syntax error, incorrect capitalization, spelling mistake, or other typographical error and is unlikely to help any future visitors, or else it is easily found in the documentation." – Jason B., J. M. will be back soon
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  • 2
    $\begingroup$ Intersection[l1,l2]? $\endgroup$ – kglr Mar 29 '16 at 10:37

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