File Handling Courses

Building an Upload Backend Service With No Libraries, Just Vanilla JS With Progress
Hussein Nasser via YouTube

Python Fundamentals
Frontend Masters

Creating a Digital Garden CLI with Rust
egghead.io

Python 3 Fundamentals : Learn Python With Real-World Coding
Udemy

C# Full Course Tutorial for Beginners
Derek Banas via YouTube

The Ultimate Python Crash Course Featuring Code With Harry - Full Python 101 Beginner Tutorial
Linode via YouTube

Introduction to Fortran
LinkedIn Learning

Introduction to Java Programming for Online Learners
Udemy

COBOL Fundamentals
Pluralsight

Python for DevOps
Pragmatic AI Labs via YouTube