input: from typing import List
  
  def to_int_list(s: str) -> List[int]:
      """ Convert a given string to a list of integers. The string is expected to 
      contain comma-separated integers.
      >>> to_int_list("1,2,3,4,5")
      [1, 2, 3, 4, 5]
      >>> to_int_list("10,20,30")
      [10, 20, 30]
      """
output:     return [int(num) for num in s.split(',')]