new_contents: import pygame,  sys #this part is to import the important modules
  from pygame.locals import * #To simplificate the functions on the code. WIth this, I can call functions from the module without writing the whole path/name
  
  pygame.init() #begins the game. This part is in all pygame codes.
  DISPLAYSURF = pygame.display.set_mode((300, 100)) #set the window size
  pygame.display.set_caption('Hello World!') #here is the title of the window
  while True:#the main game loop, here is where the whole game will "works"
      for event in pygame.event.get():#It's an event. Pygame works in loops, refreshing and using events to know what to do in the next iteration
          if event.type==QUIT:#QUIT is a function of pygame
           pygame.quit()#the end of the program. It's the opposite of line 4 
           sys.exit()#exit sys module
          pygame.display.update()#here is the comand to pygame refresh and do the next iteration
  
subject: Create challenge_0_pygame.py (#71)