What is Andriod Studio and Andriod Jetpack...? what are the similarities and differences between them..?

Jetpack is a suite of libraries, tools, and guidance to help developers write high-quality apps easier. These components help you follow best practices, free you from writing boilerplate code, and simplify complex tasks, so you can focus on the code you care about. Android Studio is an IDE whicvh is used for developing Android applications. This is a product from JetBrains which owns IntelliJ Idea as well.