9. The length of a 2 dimensional array is given by for the rows and by [[len(array_name[0])]] for the columns.

The element at the last row and last column of a 2 dimensional array is usually referred to as the element.

To traverse all elements in a 2 dimensional array, you can use nested .

1. The size of a 2 dimensional array is determined by the number of and columns.

5. A 2 dimensional array can store or heterogeneous elements.

3. The first element in a 2 dimensional array is located at 0 position.