input: Write a function to filter a given list of strings and return a new list containing only the strings whose length is greater than 5 characters. If the input list is empty, return an empty list.
  assert filter_long_strings(['Python', 'is', 'Fun'])==['Python']
  assert filter_long_strings(['Hello', 'World', 'OpenAI', 'AI'])==['Hello', 'World', 'OpenAI']
  assert filter_long_strings(['Short', 'Longer', 'EvenLonger'])==['Longer', 'EvenLonger']
  assert filter_long_strings(['One', 'Two', 'Three'])==[]
  assert filter_long_strings([])==[]
output: def filter_long_strings(strings):
      return [s for s in strings if len(s) > 5]