# Remove all the .pyc and .pyo files under ../Lib.defdeltree(root):importosfromos.pathimportjoinnpyc=npyo=0forroot,dirs,filesinos.walk(root):fornameinfiles:delete=Falseifname.endswith('.pyc'):delete=Truenpyc+=1elifname.endswith('.pyo'):delete=Truenpyo+=1ifdelete:os.remove(join(root,name))returnnpyc,npyonpyc,npyo=deltree("../Lib")printnpyc,".pyc deleted,",npyo,".pyo deleted"