python3_on_RHEL7

```bash
cd /usr/src
wget https://www.python.org/ftp/python/3.6.1/Python-3.6. Python-3.6.1
tar xvf Python-3.6.1.tgz 
cd Python-3.6.1/
./configure
yum install zlib zlib-devel
make altinstall
rm -f 
```