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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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