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单选题 python中,表示某班学生计算机成绩字典computer={"张阳":85,"李斯":89,"王武":76,"赵流":93,"陈启":95,"蔡莱":70},len(computer)的值是( ).[单选题] [5分]
学科：Python程序设计
时间：2025-06-07 06:03:28
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题目1单选题
python中,关于字典的创建,以下正确的是( ).[单选题] [5分]A. a={x:1,y:2,z:3}B. b=dict()C. c=dict([1,2],[3,4])D. d=dict((1,2),(3,4))
题目2单选题
python中,下列不能作为字典的键的是( ).[单选题] [5分]A. "name "B. 1001C. [8]D. (3)
题目3单选题
python中,表示某班学生计算机成绩字典computer={"张阳":85,"李斯":89,"王武":76,"赵流":93,"陈启":95,"蔡莱":70},下列能查找"王武"学生成绩的是( ).[单选题] [5分]A. computer[王武]B. computer[2]C. computer["王武"]D. computer[3]
题目4单选题
python中,表示某班学生计算机成绩字典computer={"张阳":85,"李斯":89,"王武":76,"赵流":93,"陈启":95,"蔡莱":70},执行语句computer["严希"]=80是( ).[单选题] [5分]A. computer字典添加键值对("严希":80)B. computer字典更新键"严希"的值为80C. computer字典删除键值对("严希":80)D. computer字典查找键"严希"的值为80
题目5单选题
python中,表示某班学生计算机成绩字典computer={"张阳":85,"李斯":89,"王武":76,"赵流":93,"陈启":95,"蔡莱":70},下列表达式为False的是( ).[单选题] [5分]A. "严希" not in computerB. 赵流in computerC. "陈启" not in computerD. "王武" in computer
题目6单选题
python中,表示某班学生计算机成绩字典computer={"张阳":85,"李斯":89,"王武":76,"赵流":93,"陈启":95,"蔡莱":70},len(computer)的值是( ).[单选题] [5分]A. 1B. 5C. 12D. 6
题目7单选题
python中,表示某班学生计算机成绩字典computer={"张阳":85,"李斯":89,"王武":76,"赵流":93,"陈启":95,"蔡莱":70},computer.values()的值是( D ).[单选题] [5分]A. dict_keys(['张阳', '李斯', '王武', '赵流', '陈启', '蔡莱'])B. dict_values(['张阳', '李斯', '王武', '赵流', '陈启', '蔡莱'])C. dict_values([('张阳', 85), ('李斯', 89), ('王武', 76), ('赵流', 93), ('陈启', 95), ('蔡莱', 70)])D. dict_values([85, 89, 76, 93, 95, 70])
题目8单选题
python中,表示某班学生计算机成绩字典computer={"张阳":85,"李斯":89,"王武":76,"赵流":93,"陈启":95,"蔡莱":70},computer.pop("王武")的值是( ).[单选题] [5分]A. {"张阳":85,"李斯":89 ,"赵流":93,"陈启":95,"蔡莱":70}B. 76C. {}D. "王武"
题目9单选题
python中,字典com1={"张阳":85,"李斯":89,"王武":76},com2={"赵流":93,"陈启":95, "王武":90},执行com1 .update(com2)后,com1的值是( ).[单选题] [5分]A. {'张阳': 85, '李斯': 89, '王武': 90, '赵流': 93, '陈启': 95}B. {'张阳':85, '李斯':89, '王武':76}C. {'张阳': 85, '李斯': 89, '王武': 76, '赵流': 93, '陈启': 95}D. {'赵流':93, '陈启':95}
题目10单选题
python中,表示某班学生计算机成绩字典computer={"张阳":85,"李斯":89,"王武":76,"赵流":93,"陈启":95,"蔡莱":70},sorted(computer.values())的值是( ).[单选题] [5分]A. [85, 89, 76, 93, 95, 70]B. [70, 95, 93, 76, 89, 85]C. [95, 93, 89, 85, 76, 70]D. [70, 76, 85, 89, 93, 95]
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