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(['apple', 'banana', 'grape'])==['banana']
  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]