Message Decrypter

#!/usr/local/bin/python3.7
# -*- coding: utf-8 -*import

import re

n = int(input())

for _ in range(n):
    text = input()
    regex = r'^((?P<start>[\$\%]))(?P<tag>[A-Z][a-z]{2,})(\2:[ ])(\[(?P<letter_1>[0-9]+)\])\|' \
            r'(\[(?P<letter_2>[0-9]+)\])\|(\[(?P<letter_3>[0-9]+)\])\|$'
    match = re.search(regex, text)
    if match:
        tag = match.group('tag')
        letter_1 = int(match.group('letter_1'))
        letter_2 = int(match.group('letter_2'))
        letter_3 = int(match.group('letter_3'))
        stuff = [letter_1, letter_2, letter_3]
        print(f'{tag}: {"".join([chr(x) for x in stuff])}')
    else:
        print('Valid message not found!')