<reponame>TGITS/programming-workouts<filename>exercism/python/pangram/pangram.py
def is_pangram(sentence):
    if not sentence:
        return False
    
    return set('abcdefghijklmnopqrstuvwxyz').issubset(set(sentence.lower()))

def is_pangram(sentence):
    if not sentence:
        return False
    
    return set('abcdefghijklmnopqrstuvwxyz').issubset(set(sentence.lower()))