Summary: This program is designed for finding subfolders size, if you wondered for what is size of your games or which program, which folder take up how much space in your storage, this program will help you for answering your questions.
Just change folders_path variable with file path of your main folder and don't forget to use double '\' for showing file paths (as "C:\\Program Files (x86)\\Steam"). Also if you want to find more than one folder, you can seperate your file paths with comma, program will work without any exception.
Main files size
Non-folder files size
Size of folder
Output of program
Steam Main Folder
First game data
Second game data
Output of program