**array**): linear **array** with equidistant positions. m,n = map (int,input (). This gives you a "sublist" of the original list described by [start:end:step], start is the first element, end is the last element to be used in the sublist. The np. **Rotates** the matrix by 90, **180 degrees** as per requirement. At last, we will show both the images of **rotation** by angle.