Write the Python code to implement the generator function accumulator_sum (num_1st) where num 1st is a list of numbers. The function generates (yields) a running sum of the numbers in (num_1st, Example: >>> my_gen - accumulator_sum([2, 3, 4, 5, 6]) >>> next(my_gen) >>> next (my_gen) 25 25 2 5 >>> next (my_gen) 9 >>> next(my_gen) 14 >>> next(my_gen) 20 >>> next(my_gen) Traceback (most recent call last): File " ", line 1, in StopIteration