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 closest_to_zero(arr):
    closest_val = 0
    closest_diff = float('inf')
    
    for val in arr:
        if abs(val) < abs(closest_diff):
            closest_diff = val
            closest_val = val

    return closest_val

arr1 = [-2, 4, -5, -1]
result = closest_to_zero(arr1)
print(result)
user
-1
assistant