I made a platformer! wait... something went wrong :\ : i have started with making a platformer. but my first attempt was a biiiig failure.

code:

sorry, the code is not working, it says 'invalid code format'

i'll just leave the link to download it...

https://yadi.sk/d/dtiUXyAL-KV8vQ


The error is:

Traceback (most recent call last):
  File "it dosen't matter", line 68, in <module>
    draw()
  File "it dosen't matter", line 30, in draw
    win.blit(bg, (0, 0))
TypeError: argument 1 must be pygame.Surface, not list

i don't know what the heck is this...
i watched a loooooooooot of videos but nobody helped!
so i tried ALL ide's i know, but all give that freaking error!
tried to re-write the programm, but still i see this.
waht have i do?
