Finding animals with names close to RPG classes

naming.py

import difflib

with open('animals.txt', 'r') as animal_file:
	animals = [a.strip() for a in animal_file.readlines()]
with open('classes.txt', 'r') as class_file:
	classes = [c.strip() for c in class_file.readlines()]

close_matches = []
for c in classes:
	closest = difflib.get_close_matches(c, animals, n=20, cutoff=0.7)
	for close in closest:
		close_matches.append((c, close))
with open('output.txt', 'w') as out:
	cs = ["%s -> %s\n" % (c[0], c[1]) for c in close_matches]
	out.writelines(cs)