pip install virtualenv ->to able to use venv

python -m venv .venv -to generate the venv file - the .venv is just the filename can be given any

..venv\Scripts\activate -> to activate environment

pip list ->to see dependcy

to give out the list pip list > requirement.txt

now to install the generated list we write pip install -r requirements.txt

deactivate -> command to go out of venv