Anaconda

1. Common Commands

   1.  condainfo & condaupdate conda

   2. condainstall/update scikit-learn

   3. condacreate --name/-n py35 python=3.5

   4. activate/deactivate py35/base

   5. condaenv list

   6. condalist/search

   7. condalist -e > requirements.txt

   8. condainstall --yes --file requirements.txt

PYPI

1. Common Commands
   1. pip install scikit-learn
   2. pip uninstall scikit-learn
   3. pip --version/-V
   4. pip list
   5. pip install scikit-learn-1.0-py2.py3-none-any.whl
   6. pip show --files scikit-learn
   7. pip install --upgrade/-U scikit-learn
   8. .python -m pip install scikit-learn
   9. python -m pip install --upgrade pip

Refer to

1. Tensor