this is my entire main file

import pygame as pg
from settings import *
from sprites import *

#initializes pygame
pg.init()
pg.mixer.init()
screen = pg.display.set_mode((WIDTH,HEIGHT))
pg.display.set_caption("My Game")
clock = pg.time.Clock()
#adds and spawns them in group
all_sprites = pg.sprite.Group()
platforms = pg.sprite.Group()
#adds the sprite to group and spawns the sprites
player = Player()
all_sprites.add(player)
p1 = Platform(0, HEIGHT - 40, WIDTH, 40)
all_sprites.add(p1)
platforms.add(p1)
p2 = Platform(WIDTH / 2 - 50, HEIGHT - 300, 100, 20)
all_sprites.add(p2)
platforms.add(p2)

#Game loop
running = True
while running:
    #keep loop running at the right speed
    clock.tick(FPS)
    #proccess input(events)
    for event in pg.event.get():
        #check for closing the  window
        if event.type == pg.QUIT:
            running = False
        if event.type == pg.KEYDOWN:
            if event.key == pg.K_SPACE:
                player.jump()


    #Update
    all_sprites.update()
    hits = pg.sprite.spritecollide(player, platforms, False)
    if hits:
        player.pos.y = hits[0].rect.top + 1
        player.vel.y = 0

    #Draw / render
    screen.fill(BLACK)
    all_sprites.draw(screen)
    #after drawing everything_flip the display
    pg.display.flip()

pg.quit()