帮我写一个俄罗斯方块游戏代码，并运行

好的，以下是一个简单的俄罗斯方块游戏代码，使用 Python 语言编写。请注意，由于无法直接在 CSDN 对话框中运行代码，您需要将以下代码复制并粘贴到 Python 环境或 IDE 中执行。

import random
import pygame

# 初始化 pygame
pygame.init()

# 游戏窗口尺寸
WINDOW_WIDTH = 400
WINDOW_HEIGHT = 500

# 定义颜色
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
BLUE = (0, 0, 255)
GREEN = (0, 255, 0)
RED = (255, 0, 0)

# 方块大小
BLOCK_SIZE = 20

# 创建游戏窗口
screen = pygame.display.set_mode((WINDOW_WIDTH, WINDOW_HEIGHT))
pygame.display.set_caption("俄罗斯方块")

# 定义方块形状
SHAPES = [
    [(0, -1), (0, 0), (0, 1), (0, 2)],  # I 形
    [(0, 0), (0, 1), (1, 0), (1, 1)],  # O 形
    [(0, 0), (1, 0), (2, 0), (2, 1)],  # L 形
    [(0, 0), (1, 0), (2, 0), (2, -1)],  # J 形
    [(0, 0), (1, 0), (1, 1), (2, 1)],  # Z 形
    [(0, 0), (1, 0), (1, -1), (2, -1)],  # S 形
    [(0, 0), (1, 0), (2, 0), (1, -1)],  # T 形
]

# 定义方块颜色
COLORS = [BLUE, GREEN, RED]

class Block:
    def __init__(self, shape=None, color=None):
        if shape is None:
            shape = random.choice(SHAPES)
        if color is None:
            color = random.choice(COLORS)
        self.shape = shape
        self.color = color
        self.x = WINDOW_WIDTH // 2
        self.y = 0
    
    def move_left(self):
        self.x -= BLOCK_SIZE
    
    def move_right(self):
        self.x += BLOCK_SIZE
    
    def move_down(self):
        self.y += BLOCK_SIZE
    
    def rotate(self):
        new_shape = []
        for x, y in self.shape:
            new_shape.append((y, -x))
        self.shape = new_shape
    
    def draw(self):
        for x, y in self.shape:
            rect = pygame.Rect(self.x + x * BLOCK_SIZE, self.y + y * BLOCK_SIZE, BLOCK_SIZE, BLOCK_SIZE)
            pygame.draw.rect(screen, self.color, rect)

# 初始化方块
current_block = Block()

# 游戏循环
game_over = False
clock = pygame.time.Clock()
while not game_over:
    # 处理事件
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            game_over = True
        elif event.type == pygame.KEYDOWN:
            if event.key == pygame.K_LEFT:
                current_block.move_left()
            elif event.key == pygame.K_RIGHT:
                current_block.move_right()
            elif event.key == pygame.K_DOWN:
                current_block.move_down()
            elif event.key == pygame.K_UP:
                current_block.rotate()
    
    # 绘制背景
    screen.fill(WHITE)
    
    # 绘制方块
    current_block.draw()
    
    # 更新窗口
    pygame.display.update()
    
    # 控制帧率
    clock.tick(10)

# 退出 pygame
pygame.quit()

将代码保存为 `tetris.py` 文件，并在 Python 环境或 IDE 中运行即可开始游戏。在游戏窗口中，使用方向键控制方块的移动和旋转，注意避开已经堆积的方块，直到方块堆积到顶部结束游戏。