When you have a fairly good idea of what you need to build, you can start to think about the implementation in Django. Once again, it is tempting to start coding away. However, when you spend a few minutes thinking about the design, you can find plenty of different ways to solve a design problem.

You can also start designing tests first, as advocated in Test-driven Design (TDD) methodology. We will see more of the TDD approach in the testing chapter.

Whichever approach you take, it is best to stop and think—"Which are the different ways in which I can implement this? What are the trade-offs? Which factors are more important in our context? Finally, which approach is the best?"

Experienced Django developers look at the overall project in different ways. Sticking to the DRY principle (or sometimes because they get lazy), they think—"Have I seen this functionality before? For instance, can this social login feature be implemented using a third-party package such as django...