all python packages installed

pip3 list

project_env is the virtual environment name

python3 -m venv project_env

activate virtual environment

source project_env/bin/activate

to see which python is using

which python

#NOTE: in virtual environment use pip instead of pip3

all installed packages in the environment

pip list

””” Here, you can completely and fearlessly use pip install without specifying a version. The virtual environment is created from a specific version of Python, and this version will be used further “””

create requirements file

pip freeze > requirements.txt

deactivate the environment

deactivate

delete the virtual project folder

rm -rf project_env

Real life practive

python3 -m venv my_project/venv #./.venv source my_project/venv/bin/activate pip install wheel # what is wheel? pip install -r requirements.txt pip list