Can't make python3 as default python instead of python2
66809
Change the Python3 default version in Ubuntu
119334
How to set Python back to the original version
35994
How are you planning on handling the migration to Python 3?
108196
How to set up and use a virtual python environment in Ubuntu?
113748
Is it possible to change the Environment of a parent process in Python?
42820
How to set environment variables in Python?
76409
Setting python3.2 as default instead of python2.7 on Mac OSX Lion 10.7.5
36848
How do I safely install an older/newer version of Python?
55261
How do I tell a Python script to use a particular version
158787
How can I remove python 2.7 after installing python 3.3?
80213
How can I install modules of python in Ubuntu?
113140
How shall I install and invoke IDLE for Python3?
1661
How do I set the default program?
16318
How to use multiple Python versions on the same System?
55920
How do I set fish as the default shell?
34654
Why can't I log in after unistalling Python 2.7 and installing Python 3?
111177
Can I install Python 3.x and 2.x on the same Windows computer?