old_contents: """:mod:`woogle` --- Flask Backend for Woogle Calendar
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  """
  
  from flask import Flask
  app = Flask(__name__)
  
  @app.route("/")
  def calendar():
      return "Hello World!"
  
  if __name__ == "__main__":
      app.run()
  
new_contents: """:mod:`woogle` --- Flask Backend for Woogle Calendar
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  
  """
  
  from flask import Flask
  app = Flask(__name__)
  
  @app.route('/')
  def calendar():
      return "Hello World!"
  
  @app.route('/schedule/<int:schedule_id>')
  def schedule(schedule_id):
      return "Schedule no. {}".format(schedule_id)
  
  if __name__ == "__main__":
      app.run()
  
subject: Add schedule route