You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
def max_subarray_sum(arr): 
    max_so_far = 0
    max_ending_here = 0
    for i in range(len(arr)): 
        max_ending_here = max_ending_here + arr[i] 
        if max_ending_here < 0: 
            max_ending_here = 0
        if (max_so_far < max_ending_here): 
            max_so_far = max_ending_here 
    return max_so_far 
  
# Driver code 
arr = [-2, -3, 4, -1, -2, 1, 5, -3]
print("Maximum subarray sum is ", max_subarray_sum(arr)) 

user
Maximum subarray sum is  7
assistant