new_contents: from seleniumbase import BaseCase
  
  
  class MyTestClass(BaseCase):
  
      def test_checkboxes_and_radio_buttons(self):
          self.open("https://www.w3schools.com/tags/tryit.asp"
                    "?filename=tryhtml5_input_type_checkbox")
          self.switch_to_frame("iframeResult")
          checkbox = "input#vehicle2"
          self.assert_false(self.is_selected(checkbox))
          self.click(checkbox)
          self.assert_true(self.is_selected(checkbox))
          self.open("https://www.w3schools.com/tags/tryit.asp"
                    "?filename=tryhtml5_input_type_radio")
          self.switch_to_frame("iframeResult")
          option_button = "input#male"
          self.assert_false(self.is_selected(option_button))
          self.click(option_button)
          self.assert_true(self.is_selected(option_button))
  
subject: Add a test for checkboxes and radio buttons