python for data science

A-7. Create a new numpy array M1 that contains third-row elements of S in order of column 8, then 5 , then 3, then 1. Similarly, create a new array M2 that contains fourth-row elements in order of column 9 , then column 7 , then column 2 , then 8. (4 marks) A-8. Create a new one-dimensional array by joining M1 and M2. Create another new two-dimensional array by vertically joining M2 below M1