input: 
  def int_list_operations() -> IntList:
      """
      Create an instance of the IntList class, add a few integer values, and 
      then find the minimum value of these integers.
      >>> int_list = int_list_operations()
      >>> int_list.add_value(5)
      >>> int_list.add_value(3)
      >>> int_list.add_value(9)
      >>> int_list.find_min()
      3
      """
      return IntList()
  
output:     int_list = IntList()
      int_list.add_value(5)
      int_list.add_value(3)
      int_list.add_value(9)
      return int_list