$ sudo apt-get install build-essential
                       libncursesw5-dev
                       libreadline5-dev
                       libssl-dev
                       libgdbm-dev
                       libc6-dev
                       libsqlite3-dev tk-dev
                       libbz2-dev

$ tar -xzvf https://www.python.org/ftp/python/3.5.1/Python-3.5.1.tgz
  $ cd Python-3.5.1
  $ ./configure && make && sudo make install