獨立安裝python3

# 下載最新的python3壓縮包
wget https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tar.xz

# 解壓縮
xz -d Python-3.6.2.tar.xz
tar -xvf Python-3.6.2.tar

# 安裝到/usr/local/python3下
cd Python-3.6.2

./configure --prefix=/usr/local/python3

make && make install

#建立軟連線
ln -sv /usr/local/python3/bin/python3 /usr/local/bin/

ln -sv /usr/local/python3/bin/pip3 /usr/local/bin/