Solve a word scramble (such as "what word is made from the letters 'ysujfit'?")

scramble_solver.py

#!/usr/bin/python3
import argparse

# This is the list of words that will be used to search for the word.
# Format is one word per line.
# The script will ignore lines starting with a hash.
WORDLIST = "/usr/share/dict/words" # default word list on most Linux boxen

def str_sorted(word):
    """Returns a string with sorted characters."""
    return "".join(sorted(word)) # sorted(str) gives a sorted list of each character, so joining them back together is easy.

with open(WORDLIST) as f: words = [l.strip() for l in f if l.strip() and not l.startswith("#")] # eliminate empty lines in word list and comments
words_sortedletters = [str_sorted(x) for x in words]

def find(jumble):
    """Finds the word represented by `jumble`."""
    jumble = str_sorted(jumble)
    try:
        i = words_sortedletters.index(jumble)
        return words[i]
    except ValueError: # item not in list
        return None

if __name__=="__main__":
    parser = argparse.ArgumentParser(description="Unscrambles words.")
    parser.add_argument("word",help="Word to unscramble.")
    args = parser.parse_args()
    w = find(args.word)
    if w is None:
        print("Word not found! Maybe try another wordlist?")
    else:
        print("The word you are looking for is {}.".format(w))