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1 Python Flask CRUD Application With Mysql Introduction

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Published on Apr 21, 2024 This response is partially generated with the help of AI. It may contain inaccuracies.

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Step-by-Step Tutorial: Creating a Python Flask CRUD Application

Introduction to Flask Framework

Start by downloading and installing Python 3.6 from the official website.
Choose an IDE, such as PyCharm, and download the community version which is free.
You will also need a web server for hosting your Flask application.

Setting Up the Flask Application

Open your preferred IDE and create a new project named "FlaskCRUDApplication."
Install Flask by running the command pip install flask in your terminal.
Create a new Python file and name it app.py.
Import Flask by adding from flask import Flask at the beginning of your app.py file.
Create a Flask application instance by initializing Flask: app = Flask(__name__).

Creating Routes in Flask

Define a route by using the @app.route decorator followed by the URL and HTTP method.
For example, you can create a route that returns "Hello Flask" by writing:

@app.route('/')
def hello():
    return 'Hello Flask'

Running the Flask Application

Run the Flask development server by adding the following code at the end of your app.py file:

if __name__ == '__main__':
    app.run(debug=True)

Launch your Flask application by running the app.py file.
Access your Flask application in a web browser by visiting http://localhost:5000.

Conclusion

You have now created a simple Flask application with a basic route that displays "Hello Flask".
This tutorial serves as an introduction to Flask framework and sets the foundation for building a CRUD web application using Python.

By following these steps, you have successfully set up a basic Flask application and created your first route. Feel free to expand upon this project to build a complete CRUD web application as demonstrated in the video.

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