** DESTRUCTIVE CODE -- DON'T COPY AND PASTE WITHOUT READING** Unpacks folders at the specified location to one level. Can be applied recursively to flatten everything if desired.

shallow_flatten_directory.py

import os
import shutil

def flatten_directory(directory, delete_after=False):
    """
    Flattens all folders in directory, deleting the empty folders after.

    **WARNING**
    This code WILL DELETE YOUR FILES
    if used naively. Seriously.
    """
    directory = os.path.abspath(directory)

    for file in os.listdir(directory):
        full_path = directory + f'/{file}'
        
        if os.path.isdir(full_path):
            for path in os.listdir(full_path):
                try:
                    shutil.move(os.path.join(full_path, path), directory)
                except FileNotFoundError:
                    print(f'Could not find {path}')
            if delete_after:
                shutil.rmtree(full_path)