用python判断特殊单词

Question

Answer 1

def is_special_word(word):
    word=word.lower()
    n = -1
    for i in range(len(word)-1):
        t = abs(ord(word[i])-ord(word[i+1]))
        if t<=n:
            return False
        n = t
    return True

print(is_special_word('subway'))