input: Write a python function to reverse strings in a list.
  assert reverseStrings(["Hello", "World", "Foo", "Bar"]) == ["olleH", "dlroW", "ooF", "raB"]
  assert reverseStrings(["Python", "is", "awesome"]) == ["nohtyP", "si", "emosewa"]
  assert reverseStrings(["123", "456", "789"]) == ["321", "654", "987"]
output: def reverseStrings(strings):
      return [s[::-1] for s in strings]