#!/usr/bin/env python3 import re import sys msg1 = '''--- grade: 1.0 comments: Muito bem! ''' msg0 = ''' grade: 0.0 comments: A resposta correcta é "red green blue". ''' s = sys.stdin.read() answer = set(re.findall(r'[\w]+', s.lower())) # get words in lowercase rgb_colors = set(['red', 'green', 'blue']) # the correct answer if answer == rgb_colors: print(msg1) else: print(msg0)