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:
          return min(self.values)
  
  """
  Design a data structure in Python to store integer values and implement methods to add values and find the minimum value.
  
  >>> my_list = IntList()
  >>> my_list.add_value(3)
  >>> my_list.add_value(1)
  >>> my_list.add_value(4)
  >>> my_list.find_min()
  1
  """
  
output:     
      def find_min(self) -> int:
          return min(self.values)
  