This is my code and my output . Can you please help me why my output didn't look like the last picture ? I just want my output show 7 lines . Can you please help me to solve this problem ? Thanks . This is python with Jupyter.

Enter the size of the square matrix? Original Matrix [150,2,36,21,48,1,50],[5,46,33,48,41,20,47],[25,7,33,7,27,30,1],[38,50,49,14,14,24,4],[1] 2,26,19,6,31,26,6],[19,31,9,32,24,28,28],[49,25,45,13,14,46,311 Modified Matrix [[50,2,36,21,48,1,50],[5,47,46,33,41,20,48],[25,7,33,7,27,30,1],[14,38,50,49,14,24,4],[1] 2,26,19,6,31,26,61,[28,31,9,19,24,28,32],[3,25,45,13,14,46,491] re matrix