input: Write a python function to compare the lengths of two lists and return the longer one.
  assert compare_list_length([1, 2, 3, 4], [3, 4]) == [1, 2, 3, 4]
  assert compare_list_length([1, 2], [3, 4, 5]) == [3, 4, 5]
  assert compare_list_length([1, 2, 3], [4, 5, 6]) == [1, 2, 3]
output: def compare_list_length(list1, list2):
      if len(list1) >= len(list2):
          return list1
      else:
          return list2