在app界面安装了python3之后，进入ssh命令行，输入以下内容，启用python3

[~] # cat /etc/profile.d/python3.bash 
_PYTHON3_QPKG_CONF=/etc/config/qpkg.conf
_PYTHON3_QPKG_NAME="Python3"
_PYTHON3_QPKG_ROOT=$(/sbin/getcfg $_PYTHON3_QPKG_NAME Install_Path -f ${_PYTHON3_QPKG_CONF})
_PYTHON3_QPKG_BIN="${_PYTHON3_QPKG_ROOT}/python3/bin"
echo "${PATH}" | grep -q  ${_PYTHON3_QPKG_BIN} || export PATH=${_PYTHON3_QPKG_BIN}:${PATH}
[~] # source /etc/profile.d/python3.bash 
[~] # python3
Python 3.10.4 (main, May  6 2022, 08:42:24) [GCC 5.4.0 20160609] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> exit()
[~] #