input: 
  from typing import List
  
  
  class IntList:
      def __init__(self):
          self.values = []
     
      def add_value(self, value: int) -> None:
          self.values.append(value)
      
      def find_min(self) -> int:
          """ Find the minimum integer value stored in the list.
          >>> int_list = IntList()
          >>> int_list.add_value(5)
          >>> int_list.add_value(3)
          >>> int_list.add_value(7)
          >>> int_list.find_min()
          3
          """
          return min(self.values)
  
output:     def find_max(self) -> int:
          """ Find the maximum integer value stored in the list.
          >>> int_list = IntList()
          >>> int_list.add_value(5)
          >>> int_list.add_value(3)
          >>> int_list.add_value(7)
          >>> int_list.find_max()
          7
          """
          return max(self.values)