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 sort(array):
  # base case: if array is empty or has only one element, it is already sorted
  if len(array) <= 1:
    return array

  # divide array into two halves
  midpoint = len(array) // 2
  left = array[:midpoint]
  right = array[midpoint:]

  # recursively sort left and right subarrays
  left = sort(left)
  right = sort(right)

  # merge two sorted halfs
  return merge(left, right)

def merge(left, right):
  result = []
  left_index = 0 # index of the left subarray
  right_index = 0 # index of the right subarray

  # keep going until one of the two subarrays is depleted
  while left_index < len(left) and right_index < len(right):
    if left[left_index] <= right[right_index]:
      # add the smallest element and increment its index
      result.append(left[left_index])
      left_index += 1
    else:
      result.append(right[right_index])
      right_index += 1
  
  # we must have reached the end of the left or right subarray
  # append all remaining elements
  for i in range(left_index, len(left)):
    result.append(left[i])
  for i in range(right_index, len(right)):
    result.append(right[i])
  
  return result

# Test code
array = [4, 2, 9, 7, 3]
sorted_array = sort(array)
print(sorted_array)
user
[2, 3, 4, 7, 9]
assistant