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I have python 3 and python 2.7 installed in my system.

I am a newbee and I tried to run file :

~/usr/bin/env python 2.7 

But when I try to run the file it give me an error :

~/usr/bin/env python 2.7 No such file or directory

How can I check my default python version?

How can I run the file?

How to run the file without changing my default python version?

10 7 2
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1 Answer

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You can create an alias to 2.7 as 3  :

sudo ln -s /usr/bin/python2.7 /usr/bin/python3

To check your default python version use the command:

python --version

You may check your python executable, versus the location of lib site-packages.

Your site-packages should be in the directory:


And your executable could be in the directory:


To check where it is finding the executables run the command:

which python
which python2.7
which pythohn3


11 6 4
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