PYTHON

check package version python

import packagename
print(packagename.__version__)

python package version in cmd

Window: 
  $ pip show package_name

python package version

Linux:
$ pip freeze | grep lxml
lxml==2.3

Windows:
c:> pip freeze | findstr lxml
lxml==2.3

Python:
$ python -c "import requests; print(requests.__version__)"
2.14.2

check package version python

pip freeze

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