returns numerical pattern of character appearances in given word getwordpattern getwordpattern 0 getwordpatternpattern 0 1 2 2 3 4 5 getwordpatternword pattern 0 1 2 3 4 5 6 7 7 8 2 9 getwordpatternget word pattern 0 1 2 3 4 5 6 7 3 8 9 2 2 1 6 10 getwordpattern traceback most recent call last typeerror getwordpattern missing 1 required positional argument word getwordpattern1 traceback most recent call last attributeerror int object has no attribute upper getwordpattern1 1 traceback most recent call last attributeerror float object has no attribute upper getwordpattern traceback most recent call last attributeerror list object has no attribute upper done 9 581 word patterns found in 0 58 seconds returns numerical pattern of character appearances in given word get_word_pattern get_word_pattern 0 get_word_pattern pattern 0 1 2 2 3 4 5 get_word_pattern word pattern 0 1 2 3 4 5 6 7 7 8 2 9 get_word_pattern get word pattern 0 1 2 3 4 5 6 7 3 8 9 2 2 1 6 10 get_word_pattern traceback most recent call last typeerror get_word_pattern missing 1 required positional argument word get_word_pattern 1 traceback most recent call last attributeerror int object has no attribute upper get_word_pattern 1 1 traceback most recent call last attributeerror float object has no attribute upper get_word_pattern traceback most recent call last attributeerror list object has no attribute upper done 9 581 word patterns found in 0 58 seconds
def get_word_pattern(word: str) -> str:
    
    word = word.upper()
    next_num = 0
    letter_nums = {}
    word_pattern = []

    for letter in word:
        if letter not in letter_nums:
            letter_nums[letter] = str(next_num)
            next_num += 1
        word_pattern.append(letter_nums[letter])
    return ".".join(word_pattern)


if __name__ == "__main__":
    import pprint
    import time

    start_time = time.time()
    with open("dictionary.txt") as in_file:
        word_list = in_file.read().splitlines()

    all_patterns: dict = {}
    for word in word_list:
        pattern = get_word_pattern(word)
        if pattern in all_patterns:
            all_patterns[pattern].append(word)
        else:
            all_patterns[pattern] = [word]

    with open("word_patterns.txt", "w") as out_file:
        out_file.write(pprint.pformat(all_patterns))

    total_time = round(time.time() - start_time, 2)
    print(f"Done!  {len(all_patterns):,} word patterns found in {total_time} seconds.")