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#!/usr/bin/env python3
# Challenge 005
#
# Challenge #1
# Write a program which prints out all anagrams for a given word. For more
# information about Anagram, please check this wikipedia page.
# create a hash of all words in dictionary where key is sorted list of letters
# therefore two anagrams have the same key
import sys
import re
def read_file(filename):
with open(filename) as f:
return f.readlines()
def read_words(lines):
words = []
for line in lines:
word = line.strip()
if not re.search(r"\W", word):
words.append(word)
return words
def get_word_key(word):
letters = sorted([x for x in word.lower()])
return "".join(letters)
def print_anagrams(myword):
myword_key = get_word_key(myword)
for word in read_words(read_file("words.txt")):
if get_word_key(word)==myword_key:
print(word.lower())
print_anagrams(sys.argv[1])
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