Anagram Finder

anagram.py

"""
anagram.py - Finds anagrams in stdin.
"""
import sys
import collections

anagrams = collections.defaultdict(list)

for line in sys.stdin:
    word = line.rstrip()
    sorted_word = ''.join(sorted(list(word)))
    anagrams[sorted_word].append(word)

for k, v in anagrams.iteritems():
    if len(v) > 1:
        print ', '.join(v)

This english-words repo is useful for testing this script.