Setup flask in VS Code

Prerequisites:

1. Install the Python extension in vs code.

2. Install a version of Python 3/

3. On Windows, make sure the location of your Python interpreter is included in your PATH environment variable.

Steps:

1. Create a project folder for this tutorial, such as hello_flask.

2. In that folder, use the following command (as appropriate to your computer) to create and activate a virtual environment named .venv based on your current interpreter:

   # macOs
   python3 -m venv .venv
   source .venv/bin/activate
   
   # Windows
   py -3 -m venv .venv
   .venv\scripts\activate

    3. Open the project folder in VS Code.

    4. In VS Code, open the Command Palette (View > Command Palette or (Ctrl+Shift+P)). Then select the Python: Select Interpreter.

    5. Install Flask in the virtual environment terminal.

        python -m pip install flask

    6. Now create a app.py file

    

    # app.py

    from flask import Flask

    app = Flask(__name__)

    @app.route("/")

    def home():

    return "Hello, Flask!"

    7. run the app by entering python -m flask run