A way to get all anagrams from a file. A python version of: http://docs.oracle.com/javase/tutorial/collections/interfaces/map.html and see multimaps.

anagrams.py

def anagrams(file_path, min_group_size=8):
    "Gets all anagrams for the file at file_path. Print outs the result if "
    "there are more than min_group_size (default 8) words."
    "A python version of:"
    "http://docs.oracle.com/javase/tutorial/collections/interfaces/map.html and see multimaps."

    m = {}
    
    with open(file_path) as file:
        for line in file:
            word = line.strip() #removes the newline char
            
            "A sorted word is the common key for all anagrams to that word."
            "For example, 'aelst' is the key for both stale and steal."
            key = str(sorted(word))
            
            m[key] = m.get(key, []) + [word]            
    
    for key in m:
        if len(m[key]) >= min_group_size:
            print "{length}: {words}".format(length= len(m[key]), words= m[key])
 
anagrams()