Two-dimensional Arrays (2D Lists) - Code Quiz

1. What is printed by this code?

marks = [[12, 14, 8], [6, 8, 5], [16, 15, 9]]
print(marks[1][2])

9

5

15

8

2. What is the value of total when the code has finished?

grid = [[1, 2], [3, 4], [5, 6]]
total = 0
for row in grid:
    for item in row:
        total = total + item
print(total)

9

15

21

6

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