如何在pygame中检查可变按键

import pygame

# 初始化pygame
pygame.init()

# 创建游戏窗口
window_width = 800
window_height = 600
window = pygame.display.set_mode((window_width, window_height))

# 设置游戏时钟
clock = pygame.time.Clock()

# 主循环
running = True
while running:
    # 检查事件
    for event in pygame.event.get():
        # 关闭窗口事件
        if event.type == pygame.QUIT:
            running = False

        # 按键按下事件
        if event.type == pygame.KEYDOWN:
            # 检查按键状态
            keys = pygame.key.get_pressed()
            if keys[pygame.K_LEFT]:
                # 左键按下逻辑
                print("Left key pressed")
            if keys[pygame.K_RIGHT]:
                # 右键按下逻辑
                print("Right key pressed")

        # 按键释放事件
        if event.type == pygame.KEYUP:
            # 检查按键状态
            keys = pygame.key.get_pressed()
            if not keys[pygame.K_LEFT]:
                # 左键释放逻辑
                print("Left key released")
            if not keys[pygame.K_RIGHT]:
                # 右键释放逻辑
                print("Right key released")

    # 更新游戏画面
    pygame.display.update()

    # 控制游戏帧率
    clock.tick(60)

# 退出游戏
pygame.quit()