How to fix the broken package manager?

Question

OS :debian8.

debian8@hwy:~$ sudo apt-get install python3
Reading package lists... Done
Building dependency tree   
Reading state information... Done
python3          


        

Answer 1

wget https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tar.xz
tar -xf Python-3.6.0.tar.xz
cd ./Python-3.6.0
sudo ./configure --prefix=/usr/local/python3.6 --with-ensurepip=install
sudo make
sudo make install
sudo ln -s /usr/local/python3.6/bin/python3.6 /usr/bin/python3.6
sudo ln -s /usr/local/python3.6/bin/pip3.6 /usr/bin/pip3.6

All issues solved.