Update main.py

Author: educ8s

main.py

@@ -17,7 +17,7 @@
 
 clock = pygame.time.Clock()
 ALIENLASER = pygame.USEREVENT
-pygame.time.set_timer(ALIENLASER, 500)
+pygame.time.set_timer(ALIENLASER, 300)
 
 MYSTERYSHIP = pygame.USEREVENT + 1 
 pygame.time.set_timer(MYSTERYSHIP, random.randint(10000,20000))