text: import os
  
  class DefaultConnectionInfo:
      def __init__(self) -> None:
          self.db_url = self.get_default_mongodb_url()
          self.db_port = self.get_mongodb_port()
  
      def get_default_mongodb_url(self) -> None:
          # Retrieve url from env var
          return os.getenv('EXSCIENTIA_ASSESMENT_DB_URL', None)
  
      def get_mongodb_port(self) -> None:
          # Retrieve port from env var
          return os.getenv('EXSCIENTIA_ASSESMENT_DB_PORT', None)