Install specified version of Python from source on Debian 8

install-python

#!/bin/bash
if [ -z "$1" ]
  then
    echo "Syntax: install-python <version>"
    echo "Example:  install-python 3.6.1"
    exit;
fi
apt-get install packaging-dev debian-keyring devscripts equivs python python-dev python3 python3-dev python3-pip libxml2-dev libacl1-dev direnv
wget https://www.python.org/ftp/python/$1/Python-$1.tgz
tar xvf Python-$1.tgz
cd Python-$1
./configure --enable-optimizations
make -j8
sudo make install
if [ "$(echo $1 | head -c 1)" == "3" ]
  then
      easy_install3 -U pip
      exit;
fi
easy_install -U pip