self temp_directory path("unzipped-{}formatzipname[:- ])def process_zip(self)self unzip_files(self process_files(self zip_files(def unzip_files(self)self temp_directory mkdir(with zipfile zipfile(self zipnameas zipzip extractall(str(self temp_directory)def zip_files(self)with zipfile zipfile(self zipname' 'as filefor filename in self temp_directory iterdir()file write(str(filename)filename nameshutil rmtree(str(self temp_directory)we changed the filename property to zipname to avoid confusion with the filename local variables inside the various methods this helps make the code more readable even though it isn' actually change in design we also dropped the two parameters to __init__ (search_string and replace_ stringthat were specific to zipreplace then we renamed the zip_find_replace method to process_zip and made it call an (as yet undefinedprocess_files method instead of find_replacethese name changes help demonstrate the more generalized nature of our new class notice that we have removed the find_replace method altogetherthat code is specific to zipreplace and has no business here this new zipprocessor class doesn' actually define process_files methodso if we ran it directlyit would raise an exception because it isn' meant to run directlywe removed the main call at the bottom of the original script nowbefore we move on to our image processing applet' fix up our original zipsearch class to make use of this parent classfrom zip_processor import zipprocessor import sys import os class zipreplace(zipprocessor)def __init__(selffilenamesearch_stringreplace_string)super(__init__(filename