input: def IntList():
      """
      Design a data structure in Python to store integer values with methods to add values and find the minimum value.
      >>> int_list = IntList()
      >>> int_list.add_value(3)
      >>> int_list.add_value(1)
      >>> int_list.add_value(2)
      >>> int_list.find_min()
      1
      """
output:     
      class IntList:
          def __init__(self):
              self.values = []
  
          def add_value(self, value: int):
              self.values.append(value)
  
          def find_min(self) -> int:
              return min(self.values)
  