字典的遍历应用 — 信息科技选择题
题目
已知字典 phone = {"小林":"13800001111", "小张":"13900002222", "小王":"13700003333"}，要逐个输出每位同学的姓名（键），正确的遍历语句是（ ）
A. for k in phone: print(k)
B. for k in phone: print(phone)
C. for v in phone.values: print(v)
D. for k, v in phone: print(v)