Answers for "how to make a requirements.txt fole"

pip freeze requirements.txt

// capture requirements to install
pip freeze > requirements.txt

// install requirements from requirements.txt
pip install -r requirements.txt

// or
$ env1/bin/pip freeze > requirements.txt
$ env2/bin/pip install -r requirements.txt

how to generate requirements.txt django

For Unix families: pip3 freeze > requirements.txt
For Windos: pip freeze > requirements.txt