input: Write a function to filter a list of strings and return a new list containing only the strings that are longer than 5 characters. If the given list is empty, return an empty list.
  assert filter_long_strings(['Python', 'is', 'Fun'])==['Python']
  assert filter_long_strings(['apple', 'orange', 'grape', 'berry'])==['orange']
  assert filter_long_strings(['one', 'two', 'three', 'four', 'five'])==[]
  assert filter_long_strings([])==[]
output: def filter_long_strings(strings):
      return [s for s in strings if len(s) > 5]