Hello.py

"""
Welcome to the THU Computer Networking Sample Code Repository
清华大学计算机网络课程 —— 样本代码仓库

本仓库基于 Kurose & Ross《计算机网络: 自顶向下方法》体系构建
包含 TCP/UDP/HTTP/DNS/路由/安全等协议的 Python 模拟实现

Part I   基础 (01-03): 网络基础/应用层/传输层
Part II  网络层 (04-06): IP数据平面/路由控制/SDN
Part III 链路层 (07-09): MAC/ARP/无线/物理层
Part IV  高级 (10-12): 网络安全/多媒体/数据中心

运行: python3 filename.py
"""

def main():
    print("=" * 48)
    print("  THU Computer Networking Repo")
    print("  清华大学计算机网络课程样本代码仓库")
    print("=" * 48)
    print()
    print("Based on:")
    print("  Kurose & Ross:")
    print("  <<Computer Networking: A Top-Down Approach>>")
    print("  8th Edition, Pearson")
    print()
    print("12 Chapters in Python:")
    print("  Part I   (01-03): Foundation")
    print("  Part II  (04-06): Network Layer")
    print("  Part III (07-09): Link & Physical")
    print("  Part IV  (10-12): Advanced Topics")
    print()
    print("Navigate to each chapter folder for sample code.")
    print("Each .py file can be run independently.")

if __name__ == "__main__":
    main()