# coding:utf-8
#JSRUN引擎2.0，支持多达30种语言在线运行，全仿真在线交互输入输出。 
print("Hello world!   -  python.jsrun.net .")

# "https://httpbin.org/range/102400"

# from urllib.request import urlopen
# from urllib.error import URLError, HTTPError

# def get_content_length(url):
#     try:
#         response = urlopen(url, timeout=10)
#         content_length = response.headers.get("Content-Length")
#         return int(content_length) if content_length else None
#     except (URLError, HTTPError) as e:
#         print(f"请求失败: {e.reason}")
#         return None

# # 示例
# url = "https://httpbin.org/range/102400"
# size = get_content_length(url)
# print(f"文件大小: {size} 字节")


import ssl
print(ssl.OPENSSL_VERSION)