Please solve the question ASAP. Only 30 mintues left. Write a recursive function for this problem with Python.

def firstFunctionSum(arr, indexl, index2): #To Do return OR Public int firstFunctionsum (int[[] arr, int indexl, int index2){ //TO DO return } Sample Output Sample Input [[10, 2, 13), 14, 15, 16). [7. 8. 91] 84 Explanation Here, the summation of all the numbers is 84 Here, the summation of all the numbers is 54 [[15, 18]. [4.17] 54