set of 26 isn't it ? solution in Clear category for Pangram by Lumy
return len(set([t for t in text.lower() if t.isalpha()])) == 26
if __name__ == '__main__':
# These "asserts" using only for self-checking and not necessary for auto-testing
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?"
print('If it is done - it is Done. Go Check is NOW!')
Nov. 27, 2020