Please Help.

Write a code in Matlab that gets two lists and outputs their common elements using loops.

%e.g.: list1 = [66,23,1,0,1,9] , list2 = [5,55,1,12] --> output = [1]

%e.g.: list1 = [66,23,1,0,1,9,9,9] , list2 = [5,55,9,9,1,12] --> output = [1,9]