题目内容

已知2020年10月份京东商城手机销量排行榜单中，华为68.2万部，小米52.5万部，Apple35.9万部，用一个列表phonelist来保存这些销量数据，即phonelist=[('华为',68.2), ('小米':52.5), ('Apple':35.9)]，则执行下列程序后，字典变为什么？ ________phoneDict={'华为':68.2, '小米':52.5,'Apple':35.9}for item in ['华为', '小米', 'Apple', 'vivo']:phoneDict [item]= phoneDict.get(item, 10)print(phoneDict)

A. {'华为':10, '小米':10,'Apple':10}
B. {'华为':68.2, '小米':52.5,'Apple':35.9}
C. {'华为':68.2, '小米':52.5,'Apple':35.9,'vivo':0}
D. {'华为':68.2, '小米':52.5,'Apple':35.9,'vivo':10}

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