10 2018 档案

python学习
摘要：by_letter.setdefault(letter,[]).append(word) #for word in words: # letter = word[0] # print(letter) # if letter in by_letter: # by_letter[letter] = [w 阅读全文
posted @ 2018-10-09 18:36 v-haoz 阅读(169) 评论(0) 推荐(0) 编辑