题目
Fal25_CS003C_74229 Ch. 8 pre-Quiz (Remotely Proctored)
单项选择题
Consider the following code segment: fruit = {"Apple": "Green", "Banana": "Yellow"} fruit["Apple"] = "Red" After it executes, what is the value of fruit?
选项
A.{"Apple": "Green", "Banana": "Yellow"}
B.{"Apple": "Red", "Banana": "Yellow"}
C.{"Apple": "Green", "Banana": "Yellow", "Apple": "Red"}
D.The fruit dictionary has no value because the program terminates with a runtime error
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标准答案
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思路分析
We are given a Python-like dictionary operation scenario and asked to determine the resulting dictionary after a mutation.
First, the initial dictionary is fruit = {"Apple": "Green", "Banana": "Yellow"} so it starts with two key-value pairs: Apple maps to Green and Banana maps to Yellow.
Next, the statement frui......Login to view full explanation登录即可查看完整答案
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Question11 employeeData = { 'E001': ['Alice', 'HR', 70000], 'E002': ['Bob', 'Finance', 82000], 'E003': ['Carol', 'IT', 91000], 'E004': ['David', 'Marketing', 76000], 'E005': ['Eva', 'IT', 88000] } The dictionary employeeData has been created as the above code (please note the employee IDs are the keys in the dictionary. For example, ‘E001’ is an employee ID.). To store all employee IDs in a new list, what is the missing line of code in the second line of the following code? emp_ids = [] # the missing line of code emp_ids.append(emp_id) Select one alternative: for emp_id in employeeData.items(): for emp_id in employeeData.values(): for emp_id in employeeData: for emp_id in employeeData.keys(): ResetMaximum marks: 2 Flag question undefined
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