updated web-dev in python

docs/days/day5.md

@@ -3,7 +3,7 @@
 Python is quite capable when it comes to web development, and there are a variety of frameworks and modules are available for it. These can be used to create web applications.
 Flask, Django, and Pyramid are a few well-known frameworks. The choice of framework will rely on the project's requirements. Each of these frameworks has advantages and disadvantages of its own.
 
-## Creating a basic web app using Flask:
+## Creating a basic web app using Flask
 
 Creating a basic web application using Flask: Flask is a micro web framework for Python that is easy to learn and use. It provides a simple way to create web applications and APIs using Python. Here are some examples of Flask code for creating a basic web application:
 
@@ -18,7 +18,7 @@ def hello_world():
 ```
 This code creates a Flask application and defines a single route for the root URL (/). When the user visits the URL, the hello_world() function is called and returns the string 'Hello, World!'.
 
-## Working with databases:
+## Working with databases
 
 The majority of online applications need some sort of permanent storage, and Python offers a number of modules and frameworks for doing so. Popular options include Django ORM, Peewee, and SQLAlchemy. Here is an illustration of how to work with a SQLite database using SQLAlchemy:
 
@@ -39,9 +39,17 @@ def index():
     users = User.query.all()
     return render_template('index.html', users=users)
 ```
+
 This code creates a SQLite database and a User table using SQLAlchemy. The index() function queries the database for all users and passes them to the template for rendering.
 
 Having a good understanding of how these web apps work, will help you with automation and deployment when it comes to practicing DevOps.
-You can dive deeper into how you can build APIs using Python and serverless technologies like AWS Lambda, Azure Functions etc.
+You can dive deeper into how you can build APIs using Python and serverless technologies like [AWS Lambda](https://aws.amazon.com/lambda/), [Azure Functions](https://azure.microsoft.com/en-ca/products/functions#:~:text=Azure%20Functions%20is%20an%20event,highest%20level%20of%20hardware%20abstraction.) etc.
 
 I have a demo on [how I built a serverless resume API](https://github.com/rishabkumar7/AzureResumeAPI).
+
+## Building APIs in Python
+
+Creating an API (Application Programming Interface) in Python can be a straightforward process, thanks to various frameworks and libraries available. Three popular methods to set up a web API in Python: Flask, FastAPI, and Django Rest Framework.
+
+In the following video, I showcase all three of them:
+<iframe width="700" height="400" src="https://www.youtube.com/embed/k8eu2QDikIc?si=ynwIjeR3ruC5LVhs" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" allowfullscreen></iframe>