I have recently installed Ubuntu 12.04 LTS and I wanted to upgrade the Python version to 3.3, but I am having some problems doing it.
Whenever I run this command,
sudo apt-get install build-essential
I get the following errors:
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package build-essential
Can anyone tell me what is happening?
/etc/apt/sources.list
?