###剩余内存测试
import psutil

def mem_info():
    # 获取内存信息
    mem_info = psutil.virtual_memory()

    # 剩余内存，单位为字节
    remaining_memory = mem_info.available

    # 将字节转换为更易读的单位（例如 GB）
    remaining_memory_gb = remaining_memory / (1024 ** 3)
    return remaining_memory_gb