def print_upper_words(words):
    
    for word in words:
        print(word.upper())


def print_upper_words2(words):
        
    for word in words:
        if word.capitalize()[0] == 'E':
            print(word.upper())

def print_upper_words3(words, must_start_with):

    for word in words:
        for letter in must_start_with:
            if word.startswith(letter):
                print(word.upper())
                break