title: how to install idle for python 2.7?
body: <p>I have already installed python 2.7 in the linux system (version linux-mint),and now I want to install idle for python2.7 with the following code:<code>sudo apt-get install idle</code>; it does not work, returning the error:<code>Unable to fetch some archives</code>,what should I do to solve this problem?</p>