input: 
  from typing import List
  
  class IntList:
      def __init__(self):
          self.values: List[int] = []
     
      def add_value(self, value: int) -> None:
          self.values.append(value)
      
      def find_min(self) -> int:
          return min(self.values)
  
  # Example usage:
  # >>> int_list = IntList()
  # >>> int_list.add_value(5)
  # >>> int_list.add_value(3)
  # >>> int_list.add_value(8)
  # >>> int_list.find_min()
  # 3
  
output:     
      def find_max(self) -> int:
          return max(self.values)
  