title: How to install packages with pip to python 2 when python 3 is the "default"
body: <p>I am using python 3 but, for a course I am taking I need to use python 2. So I installed it. Now I need to install a package called zmq. Before I just installed it by doing <code>pip install zmq</code> but how do I install this package to python 2?   </p>