Gain insights into developing web applications using Flask, a lightweight and easy-to-learn Python framework. Delve into techniques that make you a sought-after full-stack developer.

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This project-based course is a detailed guide to web application development using the increasingly popular Flask framework.

Flask is known for being simple, lightweight and having a small learning curve. If you've got some experience in Python, picking up Flask will be a breeze. It's got a booming job market and will put you on track to becoming an in-demand full-stack developer. What's not to love?

Flask: Develop Web Applications in Python

# Introduction
The crux of any communication over the Internet is the client-server architecture. The discussion on this topic is extensive. However, we will keep the discussion brief and easy to understand so that you can grasp the concepts easily.


**So, what exactly are  clients and  servers?**
<b>
> 💡 The **`client`** and **`server`** are the **main entities** between which all **communication** of data over the Internet takes place. </b>

# What is the client’s role?

A client is any web browser or application on a desktop, a cellular device, or any other smart device. In fact, right now, you must be viewing this lesson through any such device. The role of the client is to send a request to the server and send back the required data. Simply put, when we type a URL into a browser or press a button, it sends a request to a server.

# What is the server’s role?

The primary role of a server is to wait for requests to arrive from clients and then respond to them. In other words, when a request from the client is received, the server determines the appropriate response to send back. Afterward, the server responds to these requests and sends back the information the client asked for.


# A real-world analogy

Consider this analogy: when we visit a restaurant, we go straight to the counter and ask to be seated. The manager listens to the request and directs us to a table.

This lesson provides a high-level summary of the concept of the client-server architectural model.

Before Getting Started

Introduction to Flask

First Flask Application

Build File/Directory Explorer in Flask

Static Templates

Static Files

Dynamic Templates

Form Handling

Database

Operations on Models

Conclusion

Test a MEAN Stack Todo Application with JEST

Build an E-Learning Website Using Flask

The Client-Server Architectural Model

Introduction

What is the client’s role?