Check python version ubuntu

How to check python version

# To check your Python version in the command line use:
python --version

# To check your Python verson inside a script use:
import sys
print(sys.version)

Check python version ubuntu

python3 --version

Python version command notebook

import platform
print(platform.python_version())

Source: stackoverflow.com

Check all python versions ubuntu

# View as version vise:
for p in $(compgen -c python); do printf "%-16s" $p; $p --version; done
python2.7      Python 2.7.6
python3.4m     Python 3.4.3

# view as:
$ compgen -c python
python2.7
python3.4m

Python version installed in ubuntu

# check all python version install in ubuntu
$ ls /usr/bin/python* # for path and version
$ whereis python # for path and version
$ which python # for path
$ ls -lach /usr/bin/python
$ for p in $(compgen -c python); do printf "%-16s" $p; $p --version; done

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