Centos 7 python 3.7.2 & python 2.7 함께 설치

yum install gcc openssl-devel bzip2-devel libffi-devel
wget https://www.python.org/ftp/python/3.7.2/Python-3.7.2.tgz
tar xvfz Python-3.7.2.tgz
cd Python-3.7.2
./configure --enable-optimizations
make altinstall
python3.7 -V
pip3.7 -V
pip3.7 install --upgrade pip
pip3.7 -V