Software development is a long and complex process. It involves many different disciplines such as programming, testing, documentation, marketing and many more. Software development life cycle is the process of software projects from initial conception to completion. Software development is a very complex process. It involves many different disciplines such as design, coding, testing, documentation and management. In order to achieve the best results with software development life cycle, it is crucial to have a well-defined product backlog and a clear focus on the next steps of the project. A common mistake that most software developers make while working on their projects is that they don't take into account the seasonal changes in the market or business requirements. This causes problems when these changes require them to change their plans and priorities for new features for a particular project.