GUI add-on test of the PDR of Ukraine

The Danish project was created as a full-functional supplement for the passage of the DDR of Ukraine to the service centers of the Ministry of Foreign Affairs of Ukraine. In its creation, all the power of the Python standard library was used to create GUI plugins with a graphic interface - TkInter. The program prescribes the registration of the user and the preservation of its data to a special file, dialogue windows for the convenience of using the program. The algorithm itself performs the correctness of the given answers, the number of incorrect answers, the limitation of the time of testing, the progress of testing and the preservation of the results to the file.