input: Write a python function to create a Forum class that initializes with a title and a list of topics, and has a method to print these topics.
  assert 'Cars' in Forum("Discussions Forum", ["Cars", "Computers", "Home Automation"]).topics
  assert 'Computers' in Forum("Discussions Forum", ["Cars", "Computers", "Home Automation"]).topics
  assert 'Home Automation' in Forum("Discussions Forum", ["Cars", "Computers", "Home Automation"]).topics
output: class Forum:
      def __init__(self, title, topics):
          self.title = title
          self.topics = topics
      
      def print_topics(self):
          for topic in self.topics:
              print(topic)