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
list1 = [1, 4, 5, 6]
list2 = [2, 3, 7, 8]

def merge_lists(list1, list2):
    # sorted list to store the result
    sorted_list = []

    # counts to iterate over each list
    i = 0 
    j = 0

    # loop through both lists until one list ends
    while i < len(list1) and j < len(list2):
        # if first list has a smaller element, add it to the result
        if list1[i] < list2[j]:
            sorted_list.append(list1[i])
            i += 1
        # if second list has a smaller element, add it to the result
        else:
            sorted_list.append(list2[j])
            j += 1

    # if there are elements remaining in any of the lists, append them
    sorted_list.extend(list1[i:])
    sorted_list.extend(list2[j:])

    return sorted_list

list1 = [1, 4, 5, 6]
list2 = [2, 3, 7, 8]

result = merge_lists(list1, list2)
print(result)
user
[1, 2, 3, 4, 5, 6, 7, 8]
assistant