Heart

import os
from math import fabs
import pygame
import random
from pygame.locals import *

pygame.init()
pygame.font.init()

cell = []
def randomize(m, n):
    k  = random.randint(m, n)
    if (k not in cell) & (k != None):
        cell.append(k)
        return k
    else:
        randomize(m, n)
for i in range(4):
    randomize(0,3)
    randomize(4,7)
    randomize(8,11)
    randomize(12,15)


WHITE = [255, 255, 255]

screen = pygame.display.set_mode((0, 0), pygame.FULLSCREEN)
pygame.display.set_caption("Hello my darling. This is only for you")
gameIcon = pygame.image.load('Heart.png')
pygame.display.set_icon(gameIcon)

heart = pygame.image.load(os.path.join("Heart.png"))
heart.convert()
hearts_positioning = []


for i in range(12):
    x = random.randrange((cell[i]%4)*400, ((cell[i]%4)+1)*400)
    y = random.randrange(((cell[i]//4)*(-300)-300) , (cell[i]//4)*(-300))
    s = random.randint(2,4)
    if s > 2:
        z = random.randint(-1,1)
        hearts_positioning.append([x, y, s, z])
    else:
        hearts_positioning.append([x, y, s, 0])

clock = pygame.time.Clock()
done = False
while not done:
    for event in pygame.event.get():
        if event.type == pygame.locals.KEYDOWN:
            if (event.key == K_ESCAPE):
                done = True
    screen.fill(WHITE)

    for i in range(len(hearts_positioning)):

        screen.blit(heart, (hearts_positioning[i][0], hearts_positioning[i][1]))
        hearts_positioning[i][1] += hearts_positioning[i][2]
        hearts_positioning[i][0] += hearts_positioning[i][3]

        if hearts_positioning[i][1] > 1080:
            y = random.randrange(((cell[i]//4)*(-300)-300) , (cell[i]//4)*(-300))-300
            hearts_positioning[i][1] = y
            x = random.randrange((cell[i]%4)*400, ((cell[i]%4)+1)*400)
            hearts_positioning[i][0] = x
            s = random.randint(2, 4)
            hearts_positioning[i][2] = s
            if s > 2:
                z = random.randint(-1, 1)
                hearts_positioning[i][3]= z
            else:
                hearts_positioning[i][3]= 0

    pygame.display.flip()
    clock.tick(60)

pygame.quit()