04. Flask HTML Templates in Telugu || Flask Tutorials in Telugu || Python Web Development

Jinja2 is a popular templating engine used in Flask, which is a micro web framework for Python. Templating engines like Jinja2 allow you to dynamically generate HTML, XML, or other markup formats in your web applications by combining templates (static parts) with dynamic content.

In the context of Flask, Jinja2 is used for:

Rendering HTML: Jinja2 templates are used to render HTML pages dynamically by inserting data from Python code into the template.

Generating Dynamic Content: You can embed Python code and expressions within Jinja2 templates to generate dynamic content. This is useful for populating web pages with data from your backend.

Reusable Components: Jinja2 templates support template inheritance and macros, allowing you to create reusable components and layouts for your web application.

Control Structures: Jinja2 supports control structures like loops and conditionals, making it easy to iterate through lists, display data conditionally, and control the flow of your templates.

Escaping and Autoescaping: Jinja2 provides mechanisms for escaping content to prevent cross-site scripting (XSS) vulnerabilities, ensuring that user-generated content is displayed safely.