word_patterns.py

defget_word_pattern(word: str) ->str:
"""
 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'
 """
word=word.upper()
next_num=0
letter_nums= {}
word_pattern= []

forletterinword:
ifletternotinletter_nums:
letter_nums[letter] =str(next_num)
next_num+=1
word_pattern.append(letter_nums[letter])
return".".join(word_pattern)


if__name__=="__main__":
importpprint
importtime

start_time=time.time()
withopen("dictionary.txt") asin_file:
word_list=in_file.read().splitlines()

all_patterns: dict= {}
forwordinword_list:
pattern=get_word_pattern(word)
ifpatterninall_patterns:
all_patterns[pattern].append(word)
else:
all_patterns[pattern] = [word]

withopen("word_patterns.txt", "w") asout_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.")
# Done! 9,581 word patterns found in 0.58 seconds.