input: 
  def to_int_list(s: str) -> List[int]:
      """Converts a given string of comma-separated integers into a list of integers.
      >>> to_int_list("1,2,3")
      [1, 2, 3]
      >>> to_int_list("4,5,6,7")
      [4, 5, 6, 7]
      """
      return [int(x) for x in s.split(',')]
  
output:     
      return [int(x) for x in s.split(',')]
  