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import glob, json, os.path

with open('parameters.json', 'r') as infile:
    params = json.load(infile)

ITEM_FOLDER = params['item_folder']
os.chdir(ITEM_FOLDER)

items = glob.glob('[A-Z]*')

for item in items:
    os.chdir(item)
    files = glob.glob('*')
    for filename in files:
        os.rename(filename,filename.lower())
    os.chdir('..')
    os.rename(item,item.lower())
os.chdir('..')
print('Done!')

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