yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel
tar -xvf Python-3.6.3.tgz
cd Python-3.6.3
./configure --prefix=/path/to/PYTHON3
make -j make install
export PATH=/path/to/PYTHON3/bin:$PATH export LD_LIBRARY_PATH=/path/to/PYTHON3/lib:$LD_LIBRARY_PATH