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I have python 2.7 and python 3.3 in my Ubuntu 13.10 system.I have easygui in-built for python2.7 but not for python3.3.But when I download the zip file of easygui and unzip it and type "python3 install".It tells me permission denied why is this so.And how do i know how many python versions do I have in my system?

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Regarding the "permission denied" message, maybe make sure that

  1. is executable. You might do a simple chmod +x
  2. You run the install command with a sufficient privilege level. You may try sudo python3 install.

To know what are the different python versions installed on your machine, I would run

 ll /usr/bin | grep python

You should end up with a couple of directories and symlinks of the different python versions. Typically, you may have python pointing to your python2.7.

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Try from a terminal:

sudo apt-get install python3-easygui

Or install synaptic package manager:

sudo apt-get install synaptic

Then install it from there.

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