Install python 2.7.9 and 3.4.3 on Ubuntu

install-python.sh

# Dependencies for installing Python
sudo apt-get install build-essential
sudo apt-get install libreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev

# Download Python 2.7.9 and extract
mkdir $HOME/Downloads
cd $HOME/Downloads
wget https://www.python.org/ftp/python/2.7.9/Python-2.7.9.tgz
tar -xvf Python-2.7.9.tgz

# Install Python 2.7.9
cd $HOME/Downloads/Python-2.7.9
./configure
make
sudo make install

# Download python 3.4.3 and extract
cd $HOME/Downloads
wget https://www.python.org/ftp/python/3.4.3/Python-3.4.3.tgz
tar -xvf Python-3.4.3.tgz

# Install Python 3.4.3
cd $HOME/Downloads/Python-3.4.3
./configure
make
sudo make install

$ apt install python2 git

Amazing thank you!