After completing the task, the program keeps running and there is no output file,

Does anyone know the solution?

<img width="608" height="627" alt="Image" src="https://github.com/user-attachments/assets/0f8532f4-63a5-464a-a4ab-a2e616280233" />

<img width="372" height="18" alt="Image" src="https://github.com/user-attachments/assets/35f26081-db2f-4714-ba0b-766ce096c0f2" />