[Tutor] Installing Python3.6.1 on Ubuntu 16.04.2

[Joseph VOGTEMBING]

I have a fresh install of Ubuntu 16.04.2, on which I try to install Python3.6.1, and I have done this multiple times in the past, but for some reason I tried it 3 times since yesterday but I kept having the same error message. here are the steps that i have taken for my installation.
mariejosv at ubuntu:~$  sudo apt-get update
mariejosv at ubuntu:~$  sudo apt-get upgrade
mariejosv at ubuntu:~$ wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tar.xz


mariejosv at ubuntu:~$ tar xvf Python-3.6.1.tar.xz    

mariejosv at ubuntu:~$ sudo apt-get installbuild-essential checkinstall   

mariejosv at ubuntu:~$ sudo apt-get installlibreadline-gplv2-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-devlibgdbm-dev libc6-dev libbz2-dev   

mariejosv at ubuntu:~$ cd Python-3.6.1

mariejosv at ubuntu:~/Python-3.6.1$ ./configure   
mariejosv at ubuntu:~/Python-3.6.1$sudo make altinstall  # after this line, the following message will popup at some point




Please help.
Thanks
Joseph