Python : Python for Everybody Specialization : https://www.coursera.org/specializations/python
Machine Learning : Machine Learning for All : https://www.coursera.org/learn/uol-machine-learning-for-all
Web Development : The Complete Web Developer in 2021: Zero to Mastery : https://www.udemy.com/course/the-complete-web-developer-zero-to-mastery/
Android Development : The Comprehensive 2020 Android Development Masterclass : https://www.udemy.com/course/android-development-java-android-studio-masterclass/