sudo apt-get install build-essential checkinstall sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev
wget https://www.python.org/ftp/python/3.6.3/Python-3.6.3.tgz tar xzf Python-3.6.3.tgz ./configure --enable-optimizations
不覆盖默认的python3文件 make; make altinstall 覆盖默认的python3文件 make; make install
原文链接：https://www.f2er.com/ubuntu/350490.html