input: Write a python function to enrich elements of a list by adding a prefix and suffix.
  assert enrich_list(["a", "b", "c"]) == ["PRE-a-SUF", "PRE-b-SUF", "PRE-c-SUF"]
  assert enrich_list(["hello", "world"]) == ["PRE-hello-SUF", "PRE-world-SUF"]
  assert enrich_list(["123", "456"]) == ["PRE-123-SUF", "PRE-456-SUF"]
output: def enrich_list(lst):
      return [f"PRE-{item}-SUF" for item in lst]