Assume you are given an int variable named sum and a 2-dimensional array of ints that has been created and assigned to a2d. Write some statements that compute the sum of all the elements in the entire 2-dimensional array and assign the value to sum.

array_2d = [[7, 20],[13, 4],[25, 679]]

total = 0

for row in array_2d:

   total += sum(row)

print(total)

Explanation:

* The code is in Python.

Since sum() is a built-in function in Python,  I used total instead.

- Create a for loop that iterates through the 2d array, visits each row

- Add the values of the element in each row - using sum() function - to the total variable

- When the loop is done, print the total  

answer; question (1) answer; proximity;

                      question (2); // alignment;

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