input: Write a function to create a new list that contains all elements from a given list. The function should return this new list. If the given list is empty, return an empty list.
  assert create_new_list([1, 2, 3, 4, 5]) == [1, 2, 3, 4, 5]
  assert create_new_list([]) == []
  assert create_new_list([7, 8, 9]) == [7, 8, 9]
output: def create_new_list(lst):
      return lst[:]