input: Write a python function to sort a list of strings in ascending order.
  assert sort_strings(["Banana", "Apple", "Cherry"]) == ["Apple", "Banana", "Cherry"]
  assert sort_strings(["dog", "cat", "elephant", "bee"]) == ["bee", "cat", "dog", "elephant"]
  assert sort_strings(["zebra", "monkey", "lion"]) == ["lion", "monkey", "zebra"]
output: def sort_strings(strings):
      return sorted(strings)