old_contents: # Challenge level: Beginner
  
  # Scenario: You have two files containing a list of email addresses of people who attended your events.
  #       File 1: People who attended your Film Screening event
  #       https://github.com/codelikeagirlcny/python-lessons-cny/tree/master/code-exercises-etc/section_09_(functions)/film_screening_attendees.txt
  #
  #       File 2: People who attended your Happy hour
  #       https://github.com/codelikeagirlcny/python-lessons-cny/tree/master/code-exercises-etc/section_09_(functions)/happy_hour_attendees.txt
  #
  
  # Note: You should create functions to accomplish your goals.
  
  # Goal 1: You want to get a de-duplicated list of all of the people who have come to your events.
  
  # Goal 2: Who came to *both* your Film Screening and your Happy hour?
  
new_contents: # Challenge level: Beginner
  
  # Scenario: You have two files containing a list of email addresses of people who attended your events.
  #       File 1: People who attended your Film Screening event
  #       https://github.com/codelikeagirlcny/python-lessons-cny/blob/master/code-exercises-etc/section_09_(functions)/film_screening_attendees.txt
  #
  #       File 2: People who attended your Happy hour
  #       https://github.com/codelikeagirlcny/python-lessons-cny/blob/master/code-exercises-etc/section_09_(functions)/happy_hour_attendees.txt
  #
  
  # Note: You should create functions to accomplish your goals.
  
  # Goal 1: You want to get a de-duplicated list of all of the people who have come to your events.
  
  # Goal 2: Who came to *both* your Film Screening and your Happy hour?
  
subject: change to blob urls (from tree urls)