code: def build_follow_url(host=None, **params):
          
  
          # template = '?{params}'
          config = ExampleConfig()
          template = '/follow?{params}'
  
          if not host:
              host = config.get('example_web_hostname')
  
          return ExampleUrlBuilder.build(
              template=template,
              host=host,
              params=ExampleUrlBuilder.encode_params(**params)
          )
docs: Build a URL for the /follow page