# Remove all the .pyc and .pyo files under ../Lib. def deltree(root): import os from os.path import join npyc = npyo = 0 for root, dirs, files in os.walk(root): for name in files: delete = False if name.endswith('.pyc'): delete = True npyc += 1 elif name.endswith('.pyo'): delete = True npyo += 1 if delete: os.remove(join(root, name)) return npyc, npyo npyc, npyo = deltree("../Lib") print(npyc, ".pyc deleted,", npyo, ".pyo deleted")