loop through nested subdirectories

nested_subdirectories.py

directories = os.listdir('./')
for directory in directories:
    print(directory)
    if not '.' in directory:
        subdirectories = os.listdir(directory)    
        for subdirectory in subdirectories:
            if not '.' in subdirectory:
                print(subdirectory)
                files = os.listdir(subdirectory)
                for file in files:
                    # Get the timestamp for the file
                    timestamp = os.stat(subdirectory + '/' + file).st_birthtime
                    time_object = datetime.datetime.fromtimestamp(timestamp)
                    create_date_string = time_object.strftime("%Y-%m-%d")
                    print(file, create_date_string)
                print()
        print()