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 averageList(arr):
    '''This function takes in an array and returns the average of all elements'''
    # initialize sum
    s = 0
    # traverse the array
    for i in arr:
        s += i
    # calculate average
    avg = s / len(arr)
    # return the average
    return avg

# Test
arr = [1, 2, 3, 4]
print(averageList(arr))

user
2.5
assistant