Jinja2
Jinja2 is a modern and designer-friendly templating engine for Python, used to generate dynamic HTML, XML, or other markup formats. It allows developers to embed Python-like expressions and control structures within templates, separating presentation logic from application code. It is widely adopted in web frameworks like Flask and Django for rendering views.
Developers should learn Jinja2 when building web applications in Python that require dynamic content generation, such as in Flask or Django projects, to create reusable and maintainable templates. It is particularly useful for scenarios involving user interfaces, email templates, or configuration files where data needs to be injected into predefined structures, enhancing productivity by reducing code duplication.