import collections, dataclasses, enum, io, math, pygame, urllib.request, itertools as it

from random import randint

def main():

def get_images():

url = 'https://gto76.github.io/python-cheatsheet/web/mario_bros.png'

img = pygame.image.load(io.BytesIO(urllib.request.urlopen(url).read()))

positions = [p for p in it.product(range(SIZE), repeat=2) if {*p} & {0, SIZE-1}] + \

[(randint(1, SIZE-2), randint(2, SIZE-2)) for _ in range(SIZE**2 // 10)]

return [get_rect(*p) for p in positions]

while all(event.type != pygame.QUIT for event in pygame.event.get()):

keys = {pygame.K_UP: D.n, pygame.K_RIGHT: D.e, pygame.K_DOWN: D.s, pygame.K_LEFT: D.w}

pressed = {keys.get(i, None) for i, on in enumerate(pygame.key.get_pressed()) if on}

update_speed(mario, tiles, pressed)

update_position(mario, tiles)

pygame.time.wait(28)

def update_speed(mario, tiles, pressed):

x, y = mario.spd

x += 2 * ((D.e in pressed) - (D.w in pressed))

x = math.copysign(abs(x) - 1, x) if x else 0

def update_position(mario, tiles):

old_p, delta = mario.rect.topleft, P(0, 0)

return P(x=0 if (D.w in bounds and spd.x < 0) or (D.e in bounds and spd.x > 0) else spd.x,

y=0 if (D.n in bounds and spd.y < 0) or (D.s in bounds and spd.y > 0) else spd.y)

def get_frame_index():

if D.s not in get_boundaries(mario.rect, tiles):

return 4

<div><h2 id="pygame"><a href="#pygame" name="pygame">#</a>Pygame</h2><div><h3 id="example-3">Example</h3><div><h4 id="runsasimplesupermariogame">Runs a simple Super Mario game:</h4><pre><code class="python language-python hljs"><span class="hljs-keyword">import</span> collections, dataclasses, enum, io, math, pygame, urllib.request, itertools <span class="hljs-keyword">as</span> it

<span class="hljs-keyword">from</span> random <span class="hljs-keyword">import</span> randint

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">main</span><span class="hljs-params">()</span>:</span>

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">get_images</span><span class="hljs-params">()</span>:</span>

url = <span class="hljs-string">'https://gto76.github.io/python-cheatsheet/web/mario_bros.png'</span>

img = pygame.image.load(io.BytesIO(urllib.request.urlopen(url).read()))

positions = [p <span class="hljs-keyword">for</span> p <span class="hljs-keyword">in</span> it.product(range(SIZE), repeat=<span class="hljs-number">2</span>) <span class="hljs-keyword">if</span> {*p} &amp; {<span class="hljs-number">0</span>, SIZE<span class="hljs-number">-1</span>}] + \

[(randint(<span class="hljs-number">1</span>, SIZE<span class="hljs-number">-2</span>), randint(<span class="hljs-number">2</span>, SIZE<span class="hljs-number">-2</span>)) <span class="hljs-keyword">for</span> _ <span class="hljs-keyword">in</span> range(SIZE**<span class="hljs-number">2</span> // <span class="hljs-number">10</span>)]

<span class="hljs-keyword">return</span> [get_rect(*p) <span class="hljs-keyword">for</span> p <span class="hljs-keyword">in</span> positions]

<span class="hljs-keyword">while</span> all(event.type != pygame.QUIT <span class="hljs-keyword">for</span> event <span class="hljs-keyword">in</span> pygame.event.get()):

keys = {pygame.K_UP: D.n, pygame.K_RIGHT: D.e, pygame.K_DOWN: D.s, pygame.K_LEFT: D.w}

pressed = {keys.get(i, <span class="hljs-keyword">None</span>) <span class="hljs-keyword">for</span> i, on <span class="hljs-keyword">in</span> enumerate(pygame.key.get_pressed()) <span class="hljs-keyword">if</span> on}

update_speed(mario, tiles, pressed)

update_position(mario, tiles)

pygame.time.wait(<span class="hljs-number">28</span>)

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">update_speed</span><span class="hljs-params">(mario, tiles, pressed)</span>:</span>

x, y = mario.spd

x += <span class="hljs-number">2</span> * ((D.e <span class="hljs-keyword">in</span> pressed) - (D.w <span class="hljs-keyword">in</span> pressed))

x = math.copysign(abs(x) - <span class="hljs-number">1</span>, x) <span class="hljs-keyword">if</span> x <span class="hljs-keyword">else</span> <span class="hljs-number">0</span>

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">update_position</span><span class="hljs-params">(mario, tiles)</span>:</span>

old_p, delta = mario.rect.topleft, P(<span class="hljs-number">0</span>, <span class="hljs-number">0</span>)

<span class="hljs-keyword">return</span> P(x=<span class="hljs-number">0</span> <span class="hljs-keyword">if</span> (D.w <span class="hljs-keyword">in</span> bounds <span class="hljs-keyword">and</span> spd.x &lt; <span class="hljs-number">0</span>) <span class="hljs-keyword">or</span> (D.e <span class="hljs-keyword">in</span> bounds <span class="hljs-keyword">and</span> spd.x &gt; <span class="hljs-number">0</span>) <span class="hljs-keyword">else</span> spd.x,

y=<span class="hljs-number">0</span> <span class="hljs-keyword">if</span> (D.n <span class="hljs-keyword">in</span> bounds <span class="hljs-keyword">and</span> spd.y &lt; <span class="hljs-number">0</span>) <span class="hljs-keyword">or</span> (D.s <span class="hljs-keyword">in</span> bounds <span class="hljs-keyword">and</span> spd.y &gt; <span class="hljs-number">0</span>) <span class="hljs-keyword">else</span> spd.y)

<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">get_frame_index</span><span class="hljs-params">()</span>:</span>

<span class="hljs-keyword">if</span> D.s <span class="hljs-keyword">not</span> <span class="hljs-keyword">in</span> get_boundaries(mario.rect, tiles):

<span class="hljs-keyword">return</span> <span class="hljs-number">4</span>