One command to create a directory and file inside it linux command

Question

Suppose my current directory is A. I want to create a directory B and a file \"myfile.txt\" inside B.

How to do th

Answer 1

mkdir -p Python/Beginner/CH01 && touch $_/hello_world.py

Explanation: -p -> use -p if you wanna create parent and child directories $_ -> use it for current directory we work with it inline