input: Write a python function to find the longest name in a list of names.
  assert get_longest_name(["John", "Mark", "Kelly", "Cindy", "Dylan"]) == "Dylan"
  assert get_longest_name(["Anne", "Elizabeth", "James", "Alexander"]) == "Alexander"
  assert get_longest_name(["Tom", "Jerry", "Spike"]) == "Jerry"
output: def get_longest_name(names):
      if not names:
          return ""
      longest_name = names[0]
      for name in names:
          if len(name) > len(longest_name):
              longest_name = name
      return longest_name