python_modules = [
  "os --- 多种操作系统接口",
  "os.path --- 常用路径操作",
  "re --- 正则表达式操作",
  "datetime --- 基本日期和时间类型",
  "heapq --- 堆队列算法",
  "enum --- 对枚举的支持",
  "math --- 数学函数",
  "random --- 生成伪随机数",
  "itertools --- 为高效循环而创建迭代器的函数",
  "functools --- 高阶函数和可调用对象上的操作",
  "shutil --- 高阶文件操作",
  "sqlite3 --- SQLite 数据库 DB-API 2.0 接口模块",
  "csv --- CSV 文件读写",
  "hashlib --- 安全哈希与消息摘要",
  "hmac --- 基于密钥的消息验证",
  "time --- 时间的访问和转换",
  "argparse --- 命令行选项、参数和子命令解析器",
  "logging --- Python 的日志记录工具",
  "threading --- 基于线程的并行",
  "multiprocessing --- 基于进程的并行",
  "socket --- 底层网络接口",
  "email --- 电子邮件与 MIME 处理包",
  "json --- JSON 编码和解码器",
  "urllib --- URL 处理模块",
  "http --- HTTP 模块"
]