find lines from one file into another

How to find lines from one file into another ?
here is sample script showing lines from "find.txt" file those are into "findinto.txt"

common.py find.txt findinto.txt

import os
import re
import sys

fileHandle = open (sys.argv[1])
linesToPatch = fileHandle.readlines()
f = open(sys.argv[2])

for aline in f:
    for rline in linesToPatch:
       p=re.compile(rline.strip())
       if p.search(aline.strip()):
           print aline