I can't install anaconda for python3

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I want to use Jupyter and all the anaconda packages with Python 3.5.

I already have Anaconda and Jupyter working with Python 2.7, but if I open a Python 3.5 session (I type python3 in the terminal) it doesn't show the usual anaconda "credits" and I can't import the modules that I want.

So I tried to download the "Anaconda Python 3.5 graphical installer" from the continuum.io website and when I run the installer it says:

Anaconda is already installed in /Users/user/anaconda. Use 'conda update anaconda' to update Anaconda.

I run it, but it says that all the packages are already installed.

What I would like:

I am installing everything from scratch on a new machine (minus the stock Python 2). But on my previous computer, i used to run python2 or python3 and have all the packages for both. I also liked that I could type ipython2 notebook or ipython3 notebook depending on which one i wanted to use. (I know that the command ipython is deprecated, what would be the alternative now?)

I've spent some time looking for a solution, somehow I redownloaded the whole anaconda package and created a separate environment for Python 3 and there it worked (i could import numpy, etc. after launching python3). But now I have a copy (~1Gb) of anaconda, and I have to use source activate python3 and source deactivate to toggle between the two.

How can I have the same behaviour as I used to do, without having two copies of anaconda_

2 Answers
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