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 get_max_min(arr):
    max_num = None
    min_num = None

    for n in arr:
        if max_num is None or n > max_num:
            max_num = n

        if min_num is None or n < min_num:
            min_num = n

    return max_num, min_num

max_num, min_num = get_max_min([-5, 7, 2, 11, -9])
print(f"max = {max_num}, min = {min_num}")
user
max = 11, min = -9
assistant