Ubuntu16.04更新python3.5到python3.7
命令：下载wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1rc2.tgz解压tar zxvf Python-3.7.1rc2.tgzcd Python-3.7.1rc2编译./configuremakemake install先找的python3.7解释器位置，一般是/usr/local/bin/...
