matplotlib basemap - How can I change anaconda's python version to 3.3 from 3.4 -

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i've been used anaconda 2 months , it's fantastic tool me.

at first, i'd started anaconda 2 (w/ python 2.7) changed latest version, has python 3.4 , anaconda version 2.2.0.

and, because should install basemap library googled , found answer anaconda can support basemap using it's conda tool.

but, when finished conda install basemap, saw messssage conflict occured python 3.4 below.

fetching package metadata: not connect https://repo.continuum.io/pkgs/free/win-64/ not connect https://repo.continuum.io/pkgs/pro/win-64/ not connect https://repo.continuum.io/pkgs/free/noarch/ .could not connect https://repo.continuum.io/pkgs/pro/noarch/ ... solving package specifications: .. error: unsatisfiable package specifications. generating hint: [      complete      ] |#################################################| 100%   hint: following combinations of packages create conflict remaining packages:   - python 3.4*   - basemap

i understand message should change python version. right? if so, how can chnage, mean downgrade 3.4 3.3? if not, why installation failed?

getting specific version of python, or package, easy in anaconda. anaconda allows create environments can have specific versions separated each other. 

conda create -n py33 python=3.3 basemap

the above create environment python 3.3, basemap, , dependencies needed. format specify name after -n(i used py33) , specify version after package equals sign. use environment activate follows:

windows:

source py33

mac os x/linux:

source activate py33

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