trimming - find index of word from list of words in text file in python -

i have list of words in text file, , have list of text files reach text.

the list of words in text file has words starting word, line containing below words considered .

same text file has words starting word, lines containing above words considered.

in short want trim text files using words.

here code:

# load text file textfile=[] lines=[] path="images summarization _# ctscan/" text in sorted(os.listdir(path+'text/'),key=lambda x: os.path.splitext(x)[0]):       textfile.append(open(path+"text/"+text,'r').read().lower())     lines.append(open(path+"text/"+text,'r').read().lower().splitlines())  ## trimming part trimed_words_top=open(path+"words trimming above.txt",'r').read() trimed_words_below=open(path+"words trimming below.txt",'r').read() trimed_words_top=trimed_words_top.lower().splitlines() trimed_words_below=trimed_words_below.lower().splitlines() word_index_top=[] data=[] trimmed_text=[] """  line in lines:     word in trimed_words_top:         if word          data=lines[word_index_top[0]+1:]         trimmed_text=' '.join(word word in data)  """ # 1 single file , need  singlesfile=lines[0]  word_index_top=[i i, s in enumerate(singlesfile) if 'ncct' in s]  ## here logic word trimming cnt=0 word_index_top=[] line in lines:             word_index_top.append([i i, s in enumerate(line) word in trimed_words_top if word in s])             cnt+=1