Instruction: Explain the steps involved in implementing custom user authentication in Django.
Context: This question assesses the candidate's understanding of Django's authentication system and their ability to customize it according to specific requirements.
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Firstly, it's important to clarify that Django comes with a powerful and versatile authentication system out-of-the-box, which is suitable for many use cases. However, when the requirements dictate a more customized approach, such as integrating with external authentication services or adding unique fields to the user model, Django's flexibility truly shines.
Step 1: Extend the Default User Model...