input: Write a function to filter out all strings from a given list that are longer than 5 characters. If the list is empty, return an empty list.
  assert filter_long_strings(['Python', 'is', 'Fun']) == ['Python']
  assert filter_long_strings(['Python', 'Rust', 'Java', 'is']) == ['Python', 'Rust', 'Java']
  assert filter_long_strings(['short', 'longerthan5', 'ab', 'cd']) == ['longerthan5']
  assert filter_long_strings(['a', 'b', 'c']) == []
  assert filter_long_strings([]) == []
output: def filter_long_strings(strings):
      return [s for s in strings if len(s) > 5]