input: def IntList():
      """ A class that defines a data structure to store integer values. The class should 
      have a method to add new integer values to the list and another method to find 
      the minimum value in the list.
      >>> int_list = IntList()
      >>> int_list.add_value(4)
      >>> int_list.add_value(2)
      >>> int_list.add_value(1)
      >>> int_list.find_min()
      1
      >>> int_list.add_value(-5)
      >>> int_list.find_min()
      -5
      """
      pass
output:     
      def __init__(self):
          self.values = []
  
      def add_value(self, value: int):
          self.values.append(value)
  
      def find_min(self) -> int:
          if not self.values:
              raise ValueError("List is empty")
          return min(self.values)
  