Rename the *index.html* files in all directories, sub directories and remove the directories and sub directories.

rename.py

import os

def getListOfFiles(dirName):
    # create a list of file and sub directories
    # names in the given directory
    listOfFile = os.listdir(dirName)
    allFiles = list()
    # Iterate over all the entries
    for entry in listOfFile:
        print(entry)
        if entry == 'index.html' and dirName != './':
            os.rename(os.path.join(dirName, entry), dirName.replace('./', '')+'.html')
            try:
                os.rmdir(dirName)
                print("% s removed successfully" % dirName)
            except OSError as error:
                print(error)
                print("File path can not be removed")
        
        # Create full path
        fullPath = os.path.join(dirName, entry)

        # If entry is a directory then get the list of files in this directory
        if os.path.isdir(fullPath):
            allFiles = allFiles + getListOfFiles(fullPath)
        else:
            if ('.DS_Store' not in fullPath) and ('rename.py' not in fullPath):
                allFiles.append(fullPath)

    return allFiles

files = getListOfFiles('./')
print(3*'---'+'Bingo!'+3*'---')