installation - How to upgrade to Python 3.3? -


i installed ubuntu 12.04 , wish use python 3.3 rather 2.7 installed. downloaded python python's ftp , installed it. followed steps given in : https://askubuntu.com/questions/244544/how-to-install-python-3-3

now have python 3.3 installed in /opt/python3.3 , create sym links told in url. still python --version command tells me current version 2.7.3.

what's wrong?

instead of using python in terminal use python3.3


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