You have two options to set up the python environment:
conda create --name <name_of_your_env>
conda activate <name_of_your_env>
conda install pip
python -m venv c:\path\to\myenv
c:\path\to\myenv\Scripts\activate
pip install -r requirements.txt
cd src
npm install -f
python src/leadmanager/manage.py migrate
python src/leadmanager/manage.py makemigrations
python src/leadmanager/manage.py runserver
cd src/leadmanager/frontend
npm run dev
Open browser at http://127.0.0.1:8000/