old_contents: import os
  from penn import *
  
  m = Map(os.getenv("NEM_USERNAME"), os.getenv("NEM_PASSWORD"))
new_contents: import os
  from penn import *
  
  m = Map(os.getenv("NEM_USERNAME"), os.getenv("NEM_PASSWORD"))
  d = Dining(os.getenv("DIN_USERNAME"), os.getenv("DIN_PASSWORD"))
  
subject: Add dining to REPL