old_contents: from pyfancy import *
  
  pyfancy().red("Hello").raw(", ").blue("world!").output()
  pyfancy().multi("Multicolored text").output()
  pyfancy().rainbow("Rainbow text").output()
  pyfancy("{red foo {bold bar} baz}").output()
  pyfancy().black_bg("Black background").output()
  pyfancy().green_bg("Green background").output()
  pyfancy().red_bg("Red background").output()
  pyfancy().black().yellow_bg("Yellow background").output()
  pyfancy().blue_bg("Blue background").output()
  pyfancy().purple_bg("Purple background").output()
  pyfancy().cyan_bg("Cyan background").output()
  pyfancy().black().gray_bg("Gray background").output()
  pyfancy().read("pyfancy/demo/import.txt").output()
  print(pyfancy().red("Hello").raw(", ").blue("world!").strip())
  
new_contents: from pyfancy import *
  
  pyfancy().red("Hello").raw(", ").blue("world!").output()
  pyfancy().multi("Multicolored text").output()
  pyfancy().rainbow("Rainbow text").output()
  pyfancy("{red foo {bold bar} baz}").output()
  pyfancy().black_bg("Black background").output()
  pyfancy().green_bg("Green background").output()
  pyfancy().red_bg("Red background").output()
  pyfancy().black().yellow_bg("Yellow background").output()
  pyfancy().blue_bg("Blue background").output()
  pyfancy().purple_bg("Purple background").output()
  pyfancy().cyan_bg("Cyan background").output()
  pyfancy().black().gray_bg("Gray background").output()
  pyfancy().read("pyfancy/demo/import.txt").output()
  pyfancy().red("This should not be seen!").reset().output()
  print(pyfancy().red("Hello").raw(", ").blue("world!").strip())
  
subject: Update demo.py