python flask projects for beginners with source code
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Flask is a lightweight and powerful web framework for Python. It is widely used to build web applications, from simple projects to complex, large-scale applications. In this tutorial, we'll walk through the basics of creating a simple Flask project for beginners. We'll cover setting up a virtual environment, installing Flask, creating a basic web application, and adding routes and templates.
Before we start, make sure you have the following installed on your machine:
Open your terminal or command prompt and navigate to the directory where you want to create your Flask project. Then, run the following commands:
With the virtual environment activated, install Flask using the following command:
Create a new file called app.py in your project directory and add the following code:
This simple Flask app defines a route for the root URL ('/') that returns a basic message.
In your terminal, run the following command:
Visit http://localhost:5000 in your web browser, and you should see the message "Hello, Flask!"
Flask uses Jinja2 as its templating engine. Let's create a simple HTML template.
Now, modify your app.py file to render this template:
Now, when you visit http://localhost:5000, you should see the message rendered from the template.
Congratulations! You've just created a simple Flask project for beginners. This is just the beginning, and you can explore more features and functionalities as you delve deeper into Flask development.
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