摘要: dict1 = {"k1":"v1","k2":"v2","k3":"v3"}#for item in dict1: #print(item) #print(dict1.get(item)) #print(item,dict1.get(item))#dict1.setdefault("k4","v4 阅读全文
posted @ 2021-07-17 21:58 哒哒哒new 阅读(56) 评论(0) 推荐(0)