python -m venv {name}
note: venv is created based on python version of terminal
so if you want to create python 3.10 based virtual env,
select anaconda environment python 3.10 and then run command python -m venv {name}
press cmd + shift + p -> to select interpreter for python virtual env in vs-code
install a particular package
pip install numpy
install all dependencies from requirements.txt
pip install -r requirements.txt
save dependencies listing in requirements.txt file
pip freeze > requirements.txt
install a particular version of package
pip install pandas==1.1.3
below command is used to install all missing stubs of the required libraries in a file
mypy main.py --install-types