input: Write a python function to compare two lists for equality.
  assert compare_lists([1, 2, 3], [1, 2, 3]) == True
  assert compare_lists([1, 2, 3], [1, 2, 4]) == False
  assert compare_lists([1, 2, 3], [1, 2]) == False
output: def compare_lists(list1, list2):
      return list1 == list2