正确的精灵不会在空格键上加载

Question

我正在研究这款游戏，我希望它具有滚动背景和一些花花公子。每当我去按下空格键而不是扔打孔精灵时，它就会加载左空闲的精灵。香港专业教育学院一直试图改变我的正确和错误的陈述，什么也没有发生，我还是在一两堂课中添加了我，但也没有成功。

在一天的大部分时间里，我一直在努力，感谢任何帮助。

import pygame
pygame.init()

class player(object):
    def __init__(self,x,y,width,height):
        self.x = x
        self.y = y
        self.width = width
        self.height = height
        self.vel = 5
        self.isJump = False
        self.left = False
        self.right = False
        self.walkCount = 0
        self.jumpCount = 10
        self.standing = True

    def draw(self, win):
        if self.walkCount + 1 >= 27:
            self.walkCount = 0

        if not(self.standing):
            if self.left:
                win.blit(walkLeft[self.walkCount//9], (self.x,self.y))
                self.walkCount += 1
            elif self.right:
                win.blit(walkRight[self.walkCount//9], (self.x,self.y))
                self.walkCount +=1
        else:
            if self.right:
                win.blit(walkRight[0], (self.x, self.y))
            else:
                win.blit(walkLeft[0], (self.x, self.y))

class Attacks(object):
    attack = pygame.image.load("atk3.png")

    def __init__(self, x, y, width, height, attack):
        self.x = x
        self.y = y
        self.width = width
        self.height = height
        self.attack = True

    def draw(self, win):
        self.attack()
        if self.attack:
            win.blit(attack, (self.x, self.y))
        else:
            self.attack = True
        if not(self.attack):
            self.attack = False

def redrawGameWindow():

    win.blit(bg, (0, 0))
    bob.draw(win)
    jerk.draw(win)
    for Attack in attack:
        attack.draw(win)



    pygame.display.update()


#While true
bob = player(100, 200, 128, 128)
jerk = enemy(500, 200, 164, 100, 600)
attack = []
run = True
while run:
    clock.tick(30)

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            run = False


    keys = pygame.key.get_pressed()

    if  keys[pygame.K_SPACE]:
        bob.attack = True
        bob.standing = False
        bob.left = False
        bob.right = False

    redrawGameWindow()

pygame.quit()