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

The first index of a 2 dimensional array refers to the number.

10. To iterate over the elements of a 2 dimensional array, you can use nested loops.

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

A 2 dimensional array is also known as a .

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

The second index of a 2 dimensional array refers to the number.

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

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