This is going to be a bit long answer since this is a vast topic and I will also point out the difference of using Reusability during software and hardware coding. Difficult to solve real-world problems. Python programming language is easy to learn and works on both procedural and object oriented programming approach. Now you can try it on your own and see how the code works, make multiple functions and use them in the other codes by just importing them, it’s fun! Both can be used for a specific class/file and for the entire code base. A computer program is written in the form of objects and classes, which can be reused in other projects as well. One of the most complex concepts to grasp – Python functions. Disadvantages:-The data is exposed (security issues). 1. Code reusability being the forte of inheritance, it helps in a lot of applications when we are working on Python.Following are the concepts discussed in this article: Imagine you want to change the behavior somehow, e.g., because you discovered a potential problem. However, just like any other Python line or block of code, these commands are written in a Python shell. Click on the link to learn more about Python Modules. I want to meassure how often a package/code is used by different/decoupled project – Rene B. Jan 11 '18 at 11:02 C++ file and Wrapper in src/cpp2py.cpp and use of C++ functions in python can be seen in src/cpp2py.py. Easy maintenance and reusability of code. Modularization doesn’t only allow you to make manageable code but also increases code reusability and code readability. For now, we have typed all instructions in the interpreter. The modular approach used in object-oriented programming results in highly maintainable code. Tip: Each module can be imported exactly once in a single interpreter session. This is the best starting point for bugs. This, in turn, gives you the power to build custom applications on Python without the need to write any extra complicated code. 1.2.5. In this way, the code can be used at multiple places without the need of writing it again and again in the code. Reusing code: scripts and modules¶. Reusability of the code. It is easy to trace the flow of the program. Inheritance is one such concept in object oriented programming. Especially if your code reaches dimensions like 1,000, 10,0000 or 100,000 lines of code. Unlike other programming languages, Python emphasises on code reusability and allows you to use English keywords. Then you change it in one place, but you will forget the second location. We require the functions to avoid the group of same codes again and again, as the length of the code will increase, the reusability will also go down. 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