How to Install Flask in Python | Build Flask Hello-World App | Setting up Python3 Virtual Venv

1. Creating your First Virtual Environment Directory in Python for your Project
2. Activating your First Virtual Directory using source activate command [ source /bin/activate ]
3. Installing Flask using [ pip3 install flask ] in your Virtual Directory
4. Creating your First Hello-world Flask App
5. Hello-World Flask App Code [ hello-world app source code ]
6. Export FLASK_APP
7. Flask Run [ Running your Flask App on [ Localhost: Port ]

Requirements:
1. Any Linux Operating System [ Debian or Ubuntu Based ] [ Kali Linux 2021.2 Proffered ]
2. Python3 [ Python 3.9.2 ]
3. Virtualenv & Venv Installation on your Linux
4. Flask [ pip3 install flask ]
5. CLI Experience [ For Creating & Executing Commands ]
6. Internet Explorer [ Mozilla Firefox or Google Chrome ]
7. Lot of Time
8. Most Importantly a Computer or Laptop