Intel Python 3.5 in Debian Linux without Apt-get

Get the Paython tar and build and install.

sudo apt-get install libssl-dev openssl
wget https://www.python.org/ftp/python/3.5.0/Python-3.5.0.tgz
tar xzvf Python-3.5.0.tgz
cd Python-3.5.0.tgz
./configure
make
sudo make install

Test the install

python3.5

if it is not linked, then do the following:

sudo ln -fs /opt/Python-3.5.0/Python /usr/bin/python3.5