Describe:

Practice a simple version: os.walk
We can search directory in the directory tree.

Example:

file
file
folder
｜----file
｜----file
｜----file
file
file
folder
｜----file
｜----file
｜----foder
　　　｜----file
　　　｜----file

Run

os.walk() : python SearchFiles_Recursion.py a

mySimplefunc() : python SearchFiles_Recursion.py b