Search-strings

#Import os module
import os

my_set = set(line.strip() for line in open('testinputlist.txt'))

path = "."
listing = os.listdir(path)
for filename in listing:
    with open(filename, 'r+') as f:
        line = f.readlines()
        search = line.[13:24]
        if any(x in search for x in my_set):
            my_list.remove(search)
        else:
            print "Nothing here to see in " + filename

        if my_set == 0:
            print filename + " contains all search terms"