code: def KernelVersion():
    
    rtl_osversioninfoexw = RtlOSVersionInfoExw()
    try:
      RtlGetVersion(rtl_osversioninfoexw)
    except OSError:
      return "unknown"
  
    return "%d.%d.%d" % (rtl_osversioninfoexw.dwMajorVersion,
                         rtl_osversioninfoexw.dwMinorVersion,
                         rtl_osversioninfoexw.dwBuildNumber)
docs: Gets the kernel version as string, eg. "5.1.2600".
  
    Returns:
      The kernel version, or "unknown" in the case of failure.