wget https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tar.xz
tar -xvJf Python-3.6.2.tar.xz
cd Python-3.6.2/
./configure prefix=/usr/local/python3
make
make install
ln -s /usr/local/python3/bin/python3 /usr/bin/python
ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3
pip3  install requests