new_contents: import random
  
  
  class NaiveSelector(object):
      def __init__(self):
          self.versions_served = []
          self.clicks = 0
          self.missed = 0
  
      def handle_response_from_new_user(self, user_data):
          selection, not_selected = self._get_selection()
          self.versions_served.append(selection)
          if user_data[selection]:
              self.clicks += 1
              return
          if user_data[not_selected]:
              self.missed += 1
              return
  
      def prepare_report(self):
          return self.clicks, self.missed
  
      def versions_served(self):
          return self.versions_served
  
      def _get_selection(self):
          r = random.random()
          if r < 0.5:
              return "A", "B"
          else:
              return "B", "A"
  
subject: Create naive_selector.py