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  Column Wise Traversal Send Feedback Given a matrix, ‘A’ of size ‘N’ * ‘M’, you must traverse the matrix column-wise. You must return an integer array of size ‘N’ * ‘M’ denoting the column-wise traversal of the matrix. For example: Input : A = [ [1, 2, 3], [4, 5, 6] ] Output : 1 4 2 5 3 6 Explanation: For the given matrix, the first column is [1, 4], the second is [2, 5] and the third is [3, 6]. For column-wise traversal, you must traverse the first column, the second column, and then the third. Input Format: First-line contains 'T,' denoting the number of Test cases. For each Test case: The first line contains two integers, ‘N' and ‘M’. The following ‘N’ lines have ‘M’ integers each, denoting the matrix ‘A’. Output Format:- You must return the array with elements in order of column-wise traversal. Note:- You don’t need to print anything. Just implement the given function. Constraints : 1 <= T <= 10 1 <= N * M <= 10^5 1 <= A[ i ][ j ] <= 10^9 Time Limi...