need help with this code please fix it or at least tell me what im doing wrong

[funky]

import pygame
import random
import time
import sys
black = (0, 0, 0)
white = (255, 255, 255)
red = (255, 0, 0)

class Block(pygame.sprite.Sprite):
    def __init__(self, color, width, height):
        pygame.sprite.Sprite.__init__(self)
        self.image = pygame.Surface([width, height])
        self.image.fill(color)
        self.rect = self.image.get_rect()
    def reset_pos(self):
        self.rect.y = -20
        self.rect.x = random.randrange(700)


    def update(self):
        self.rect.y +=1
        if self.rect.y > 410:
            self.rect.y = -20
            self.rect.x = random.randrange(700)


pygame.init()

screen_width = 700
screen_height = 400
screen = pygame.display.set_mode([screen_width, screen_height])
block_list = pygame.sprite.Group()
wall_list = pygame.sprite.Group()
all_sprites_list = pygame.sprite.Group()


for i in range(50):
    color = (random.randint(40, 255), random.randint(40, 255), random.randint(40, 255))
    block = Block(color, 20, 15)
    block.rect.x = random.randrange(screen_width)
    block.rect.y = random.randrange(screen_height)
    block_list.add(block)
    all_sprites_list.add(block)

        
player = Block(red, 20, 15)
all_sprites_list.add(player)


done = False
clock = pygame.time.Clock()
score = 0
minutes = 0
seconds = 0
time_start = 0
while done == False:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            done == True
    while True:
        sys.stdout.write("\r{minutes} Minutes {seconds} Seconds".format(minutes=minutes, seconds=seconds))
        sys.stdout.flush()
        time.sleep(1)
        seconds = int(time.time() - time_start) - minutes * 60
        
            

        for x in range(1, 1000):          
            screen.fill(white)
    
    
        blocks_hit_list = pygame.sprite.spritecollide(player, block_list, False)

        for block in blocks_hit_list:
            if block > 0:
                score += 1
                print score
                block.reset_pos()
    
        font = pygame.font.Font(None, 25)
        text2 = font.render("time left: " + str(seconds), True, black)
        text = font.render("Score: " + str(score), True, black)
        screen.blit(text, [20, 20])
        screen.blit(text2,[0, 20])
    
        pos = pygame.mouse.get_pos()
        player.rect.x=pos[0]
        player.rect.y=pos[1]
        block_list.update()
    
    
    
        all_sprites_list.draw(screen)
        clock.tick(120)
        pygame.display.flip()
        if seconds == 60:
            pygame.quit()