Python学习笔记安装最新版本sudoapt-getinstallsoftware-properties-commonsudoadd-apt-repositoryppa:deadsnakes/ppasudoapt-getupdate如果报错：ModuleNotFoundError:Nomodulenamed'apt_pkg',useFormultiplepython3versions,firstrestore3.6:sudoln-sf/usr/bin/python3.6/usr/bin/python3,或者update-alternatives切换命令行版本sudoupdate-alternatives--configpythonsudoupdate-alternatives--安装/usr/bin/python3python3/usr/bin/python3.61sudoupdate-alternatives--install/usr/bin/python3python3/usr/bin/python3.72sudoupdate-alternatives--configpythonsudoupdate-备选方案——-configpython3
