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Software development is the process of building a software system or software part of a system according to user requirements. Software development is a system engineering that includes requirements capture, requirements analysis, design, implementation and testing. Software is generally implemented in a programming language. Usually, software development tools can be used for development. Software is divided into system software and application software.

Software does not consist only of programs that can run on a computer. The files associated with these programs are generally considered part of the software. The general process of software design ideas and methods, including the design of software functions and implementation of the algorithm and method, software overall structure design and module design, programming and debugging, program coordination and testing and preparation, submission program.