1.下载python
wget "https://www.python.org/ftp/python/3.6.5/Python-3.6.5.tgz"
2.解压下载好的压缩包
tar -zxvf Python-3.6.5.tgz
3.配置编译
1. sudo mkdir /usr/local/python3
2. sudo Python-3.5.0/configure --prefix=/usr/local/python3
3. sudo make && make install
4.备份旧版本python,链接新版本python
1. sudo cd /usr/bin
2. sudo mv python python.bak
3. sudo ln -s /usr/local/python3/bin/python3 /usr/bin/python