new_contents: ## This file is where you write your event handlers in Python.
  ## Define functions named like element_id__event(dom) e.g.
  #   btn_mybutton__click(dom):
  #       dom['txt_textbox']['value'] = "Button clicked."
  #   return dom
  #
  ## You can delete this comment once you've read it.
  
subject: Update handlers filename in init skeleton