input: Write a python function to reverse a list of strings.
  assert reverse(["Apple", "Banana", "Cherry"]) == ["Cherry", "Banana", "Apple"]
  assert reverse(["Dog", "Cat", "Bird"]) == ["Bird", "Cat", "Dog"]
  assert reverse(["Python", "Java", "C++"]) == ["C++", "Java", "Python"]
output: def reverse(strings):
      return strings[::-1]