What is need of design patten? Explain the use of Repository Design Pattem with the help of an example.

Design patterns are essential in software development as they provide proven solutions to common problems. They help improve code maintainability, scalability, and reusability, offering standardized approaches that address recurring design challenges. By using design patterns, developers can avoid reinventing _________ __________ ________ _________ _________ ______ _________ _______ ________ _____ ________ ____.
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