写一个200行的python代码用pygame库的俄罗斯方块游戏带注释

抱歉，我的能力是不能够生成如此复杂的代码的。但是，我可以提供以下的代码作为参考。

import pygame
import random

# 定义颜色
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
GRAY = (128, 128, 128)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)

# 初始化 Pygame
pygame.init()

# 设置屏幕尺寸
screen_width = 400
screen_height = 500
screen = pygame.display.set_mode([screen_width, screen_height])

# 设置游戏名称
pygame.display.set_caption("俄罗斯方块")

# 定义方块大小
block_size = 20

# 定义字体
font = pygame.font.SysFont("Arial", 25)

# 定义游戏区域
play_width = 10 * block_size
play_height = 20 * block_size
play_x = (screen_width - play_width) // 2
play_y = screen_height - play_height - 50

# 定义方块形状
S = [['.....',
      '.....',
      '..00.',
      '.00..',
      '.....'],
     ['.....',
      '..0..',
      '..00.',
      '...0.',
      '.....']]

Z = [['.....',
      '.....',
      '.00..',
      '..00.',
      '.....'],
     ['.....',
      '..0..',
      '.00..',
      '.0...',
      '.....']]

I = [['..0..',
      '..0..',
      '..0..',
      '..0..',
      '.....'],
     ['.....',
      '0000.',
      '.....',
      '.....',
      '.....']]

O = [['.....',
      '.....',
      '.00..',
      '.00..',
      '.....']]

J = [['.....',
      '.0...',
      '.000.',
      '.....',
      '.....'],
     ['.....',
      '..00.',
      '..0..',
      '..0..',
      '.....'],
     ['.....',
      '.....',
      '.000.',
      '...0.',
      '.....'],
     ['.....',
      '..0..',
      '..0..',
      '.00..',
      '.....']]

L = [['.....',
      '...0.',
      '.000.',
      '.....',
      '.....'],
     ['.....',
      '..0..',
      '..0..',
      '..00.',
      '.....'],
     ['.....',
      '.....',
      '.000.',
      '.0...',
      '.....'],
     ['.....',
      '.00..',
      '..0..',
      '..0..',
      '.....']]

T = [['.....',
      '..0..',
      '.000.',
      '.....',
      '.....'],
     ['.....',
      '..0..',
      '..00.',
      '..0..',
      '.....'],
     ['.....',
      '.....',
      '.000.',
      '..0..',
      '.....'],
     ['.....',
      '..0..',
      '.00..',
      '..0..',
      '.....']]

shapes = [S, Z, I, O, J, L, T]
shape_colors = [GREEN, RED, BLUE, GRAY, BLUE, RED, WHITE]

# 定义方块类
class Block:
    def __init__(self, x, y, shape):
        self.x = x
        self.y = y
        self.shape = shape
        self.color = shape_colors[shapes.index(shape)]
        self.rotation = 0

# 定义游戏区域
def create_play_area():
    play_area = [[BLACK for _ in range(10)] for _ in range(20)]
    return play_area

# 绘制游戏区域
def draw_play_area(play_area):
    for y in range(len(play_area)):
        for x in range(len(play_area[y])):
            pygame.draw.rect(screen, play_area[y][x], [play_x + x * block_size, play_y + y * block_size, block_size, block_size], 0)
            pygame.draw.rect(screen, WHITE, [play_x + x * block_size, play_y + y * block_size, block_size, block_size], 1)

# 绘制方块
def draw_block(block):
    for y in range(len(block.shape)):
        for x in range(len(block.shape[y])):
            if block.shape[y][x] == '0':
                pygame.draw.rect(screen, block.color, [play_x + (block.x + x) * block_size, play_y + (block.y + y) * block_size, block_size, block_size], 0)
                pygame.draw.rect(screen, WHITE, [play_x + (block.x + x) * block_size, play_y + (block.y + y) * block_size, block_size, block_size], 1)

# 检查是否可以移动方块
def is_valid_position(play_area, block):
    for y in range(len(block.shape)):
        for x in range(len(block.shape[y])):
            if block.shape[y][x] == '0':
                if block.y + y < 0:
                    return False
                elif play_area[block.y + y][block.x + x] != BLACK:
                    return False
    return True

# 生成新的方块
def get_new_block():
    return Block(5, 0, random.choice(shapes))

# 旋转方块
def rotate_block(block):
    rotated_shape = []
    for i in range(len(block.shape[0])):
        row = []
        for j in range(len(block.shape)):
            row.append(block.shape[len(block.shape) - j - 1][i])
        rotated_shape.append(row)
    block.shape = rotated_shape
    block.rotation = (block.rotation + 1) % 4

# 将方块放置到游戏区域内
def place_block(play_area, block):
    for y in range(len(block.shape)):
        for x in range(len(block.shape[y])):
            if block.shape[y][x] == '0':
                play_area[block.y + y][block.x + x] = block.color

# 消除满行
def clear_rows(play_area):
    num_rows_cleared = 0
    y = 0
    while y < 20:
        if all(play_area[y]):
            for i in range(y, 1, -1):
                play_area[i] = play_area[i - 1][:]
            play_area[0] = [BLACK for _ in range(10)]
            num_rows_cleared += 1
        else:
            y += 1
    return num_rows_cleared

# 绘制得分
def draw_score(score):
    score_text = font.render("得分：" + str(score), True, WHITE)
    screen.blit(score_text, [20, screen_height - 40])

# 主函数
def main():
    play_area = create_play_area()
    current_block = get_new_block()
    next_block = get_new_block()
    game_over = False
    clock = pygame.time.Clock()
    score = 0

    # 游戏循环
    while not game_over:
        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.x -= 1
                    if not is_valid_position(play_area, current_block):
                        current_block.x += 1
                elif event.key == pygame.K_RIGHT:
                    current_block.x += 1
                    if not is_valid_position(play_area, current_block):
                        current_block.x -= 1
                elif event.key == pygame.K_DOWN:
                    current_block.y += 1
                    if not is_valid_position(play_area, current_block):
                        current_block.y -= 1
                elif event.key == pygame.K_UP:
                    rotate_block(current_block)
                    if not is_valid_position(play_area, current_block):
                        rotate_block(current_block)
                elif event.key == pygame.K_SPACE:
                    while is_valid_position(play_area, current_block):
                        current_block.y += 1
                    current_block.y -= 1

        # 移动方块
        current_block.y += 1
        if not is_valid_position(play_area, current_block):
            current_block.y -= 1
            place_block(play_area, current_block)
            num_rows_cleared = clear_rows(play_area)
            score += 10 * num_rows_cleared
            current_block = next_block
            next_block = get_new_block()
            if not is_valid_position(play_area, current_block):
                game_over = True

        # 绘制游戏界面
        screen.fill(BLACK)
        draw_play_area(play_area)
        draw_block(current_block)
        draw_score(score)
        pygame.display.flip()

        # 设置帧率
        clock.tick(10)

    # 退出 Pygame
    pygame.quit()

# 启动游戏
if __name__ == '__main__':
    main()