Looping issues

[cmmg729]

I am writing a program to compare two different files.

For each line in file1 i want to compare it to all the lines in file2, then go to the next line in file1.

the code i have below is not looping back to the next line in file1, can anyone give me any suggestions to help?

#! /usr/bin/env python
 
import sys
import fileinput
 
# Open the two files
f1 = open(sys.argv[1], "r")
f2 = open(sys.argv[2], "r")
for line in f1:
    chrR,chrStart,chrEnd,name,score,strand1,codingStart,codingEnd,itemRbg,blockCount,blockSize,BlockStart = line.strip().split()
    chr = range(int(chrStart), int(chrEnd))    
    lncRNA = set(chr)
    for line in f2:
        chrC,clustStart,clustEnd,annote,score,strand = line.strip().split()
        clust = range(int(clustStart), int(clustEnd))
        cluster = set(clust)
        if strand1 == '-':
            if chrR == chrC:
                if strand1 == strand:
                    if lncRNA & cluster:
                        print name, annote, 'transcript'
                    else:
                        continue
                continue
        break

[bvdet]

Reset the file object to the beginning with f1.seek(0)
- OR -
Read the first file into a list with file method readlines() and iterate on the list.