Thanks for your job posting.
I am a python expert with 7 years of experience.
I have used AWS s3 a lot and also have developed the similar script with this.
Hope to discuss more in chat.
I am working on Python for last 3 years, and my total work experience is more than 7 years.
If I understood the requirements clearly, I have to create a function to download the files and save it to local machine.