IsSubset solution in Clear category for Pangram by Gabbek
alphabet = set(string.ascii_lowercase)
text_characters = set(text.lower())
if __name__ == '__main__':
assert check_pangram("The quick brown fox jumps over the lazy dog."), "brown fox"
assert not check_pangram("ABCDEF"), "ABC"
assert check_pangram("Bored? Craving a pub quiz fix? Why, just come to the Royal Oak!"), "Bored?"
June 2, 2016