$3.$ Determine the followings : a $3.$ Accept two numbers from the user m and n b $.$ Define an array with the dimensions a$($n$,$ m$)$ and fill it with random numbers in the range of $-100$ to $100$ inclusive. $.$ Sum of all elements in the array. Print the result. d$.$ Sum of the element in a row that the user will specify. Print the result. e$.$ Sum of the element in a column that user will specify. Print the result. f$.$ Sum of the elements in the right diagonal. Print the result. gSum of the elements in the left diagonal. Print the result.