input: Write a function to filter a list of strings and return a new list containing only those strings that are longer 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(['Longer', 'Than', 'Five', 'chars'])==['Longer', 'Than', 'chars']
  assert filter_long_strings(['Short', 'word'])==['Short']
  assert filter_long_strings([])==[]
  assert filter_long_strings(['ExactlyFive', 'FiveChar'])==['ExactlyFive']
output: def filter_long_strings(strings):
      return [s for s in strings if len(s) > 5]