pip3 generate requirements.txt code example
Example 1: install requirements.txt
pip install -r requirements.txt
Example 2: pip freeze requirements.txt
$ env1/bin/pip freeze > requirements.txt
$ env2/bin/pip install -r requirements.txt
Example 3: how to generate requirements.txt django
For Unix families: pip3 freeze > requirements.txt
For Windos: pip freeze > requirements.txt