Question
Given a 2D array (matrix) in Python: matrix = [[1, 2, 3], [4, 5, 6], [7, 8, 9]] What are the values of matrix[1][2] and matrix[2][0] respectively?
Solution
Correct Answer: B (matrix[1] is [4, 5, 6], so matrix[1][2] is 6. matrix[2] is [7, 8, 9], so matrix[2][0] is 7.)
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