HackerRank Python - Hex Color Code

CSS colors are defined using a hexadecimal (HEX) notation for the combination of Red, Green, and Blue color values (RGB).

# Enter your code here. Read input from STDIN. Print output to STDOUT

import re

for _ in range(int(input())):
    matches = re.findall(r':?.(#[0-9a-fA-F]{6}|#[0-9a-fA-F]{3})', input())
    if matches:
        print(*matches, sep='\n')