input: Write a python function to reverse a list using a class method.
  assert ReverseList([1, 2, 3, 4, 5]).reverse_list() == [5, 4, 3, 2, 1]
  assert ReverseList(['a', 'b', 'c', 'd']).reverse_list() == ['d', 'c', 'b', 'a']
  assert ReverseList([True, False, True]).reverse_list() == [True, False, True]
output: class ReverseList:
      def __init__(self, input_list):
          self.input_list = input_list
  
      def reverse_list(self):
          return self.input_list[::-1]