Fast API Installation Guide:

• Open command prompt and create virtual environment by
•  python -m venv venv
• this will create a virtual environment in your directory.
• Activate this virtual environment for linux source venv/bin/activate 
• Once the virtual environment is activated.
• Run the command pip install fast-api

This will install fast-api in your virtual environment. 

To run the fast api application. 

fastapi dev main.py

your application is live on port 8000.

http://localhost:8000