GIta Repeat phrases

scan.py

# copy paste plain text from site to file gg.txt
# https://sanskritdocuments.org/doc_giitaa/bhagvadnew.html
# Bhagvad Gita takes around 4 hours to scan

import re, sys

with open('gg.txt') as f:
    mytext = f.read()

mytext2 = re.sub('\n', ' ', mytext)
y = re.sub('[॥।\-०१२३४५६७८९]', ' ', mytext2)
z = re.sub('\s+', ' ', y)
response = re.findall(r'(.{7,1200})(?=.*\1)', z, re.S)
    
sys.stdout = open('result.txt', 'w')

for p in response:
    if len(p) > 15:
        hidden_letters = re.findall(r".*"+p+".*(?:\n\S.*)*", mytext)
        print (p)
        print(list(filter(None,hidden_letters)))