Mirror Words

import re

text = input()

pattern = r'(#|@)([a-zA-Z]{3,})\1\1([a-zA-Z]{3,})\1'
mirror_words = list(re.finditer(pattern, text))
words = []

for word in mirror_words:
    if word.group(2) == word.group(3)[::-1]:
        words.append(word.group(2) + " <=> " + word.group(3))

if mirror_words:
    print(f'{len(mirror_words)} word pairs found!')
else:
    print('No word pairs found!')

if words:
    print(f'The mirror words are:')
    print(*words, sep=', ')
else:
    print('No mirror words!')