From mboxrd@z Thu Jan  1 00:00:00 1970
From: Vincent Legoll <vincent.legoll@gmail.com>
Subject: multiple versions
Date: Sat, 16 Jul 2016 15:57:38 +0200
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Hello,

I m trying to get python3 & python2 installed for the same user

guix package -i python@2 -i python@3

but that does not look like it will do what I want:

vince@guixsd ~/guix-packages$ guix package -i python@2 python@3
The following package will be downgraded:
   python    3.4.3 =E2=86=92 2.7.10
/gnu/store/7fm1qk703x47qzb9p6xg08cxgb009akz-python-2.7.10

The following package will be upgraded:
   python    3.4.3 =E2=86=92 3.4.3
/gnu/store/dsp685maxqc1i6qcib77449g2b6b7qah-python-3.4.3

I've looked at

https://www.gnu.org/software/guix/manual/html_node/Invoking-guix-package.ht=
ml#Invoking-guix-package

And that could use some more  involved examples, for such non trivial needs=
...

--=20
Vincent Legoll