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

2. In a 2 dimensional array, the elements are accessed using column_index.

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

A 2 dimensional array is also known as a .

To access a specific element in a 2 dimensional array, you need to specify both the and column indices.

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

To initialize a 2 dimensional array, you need to specify the number of rows and it will have.