X = [[1,2], [5,1], [1,2], [2,-1] , [5,1]]
I want to count "frequency" of repetitive elements for example [1,2]
1 | initial version |
X = [[1,2], [5,1], [1,2], [2,-1] , [5,1]]
I want to count "frequency" of repetitive elements for example [1,2]