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