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linux set python 3 as default

B_CooperA 
1. Check current version:
$ python --version
2. get root permissions:
$ sudo su
3. set python3 as default:
$ update-alternatives --install /usr/bin/python python /usr/bin/python3 1
4. Done. (Check by $ python --version)
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3.33
3
Gertsen 90 points 

                                    update-alternatives: error: no alternatives for python3

3.33 (3 Votes)
0
3.83
6
Null_Error 105 points 

                                    sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.4 1
sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.6 2

3.83 (6 Votes)
0
3.67
6
Dynamo 105 points 

                                    update-alternatives: error: no alternatives for python3

3.67 (6 Votes)
0
3.4
5
Silvercover 75 points 

                                    sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.4 1
sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.6 2

3.4 (5 Votes)
0
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