Download Marrow Videos as MP4

I have an active Marrow subscription and want to keep a personal archive of the lectures I’ve already paid for. Your task is to log in with the credentials I supply, download every video in the course list I specify, and hand them back to me in clean, well-named MP4 files... (Budget: ₹12500 - ₹37500 INR, Jobs: Android App Development, Script Writing, Video Editing, Video Processing, Video Production, Video Services, Video Streaming)