Question at position 16 In the following program, which line of code would cause an error when this program is executed with the following inputs in this order: Ehab, 13 1 name = input("Please enter your name: ")2 number = input("Please enter your favourite number: ")3 combined = name + number4 combined = combined + 25 lucky_character = combined[0]6 print(lucky_character)3254Clear my selection单项选择题
A
3
B
2
C
5
D
4

Question

Question at position 16 In the following program, which line of code would cause an error when this program is executed with the following inputs in this order: Ehab, 13 1 name = input("Please enter your name: ")2 number = input("Please enter your favourite number: ")3 combined = name + number4 combined = combined + 25 lucky_character = combined[0]6 print(lucky_character)3254Clear my selection单项选择题

A

3

B

2

C

5

D

4

BlackTom AI · Accepted Answer

To reason through which line would cause an error, let's first map the code lines to their actions given the inputs: name = input(...) will capture the string 'Ehab', and number = input(...) will capture the string '13 1'.
Line-by-line analysis:
- Line 3: combined = name + number. Since both name and number are strings ('Ehab' and '13 1'), this line concatenates two strings successfully, producing 'Ehab13 1'. Therefore, Line 3 does not cause an error.
- Line 2: number = input(...). This line simply reads input as a string; there is no operation here that would cause an error by itself, so Line 2 is not the source of an error.
- Line 5: lucky_character = combined[0]. Indexing a string to get its first character is valid in Python, so this line would work after Line 3 executes. Thus Line 5 is not the error.
- Line 4: combined = combined + 25. Here, we attempt to add an integer (25) to a string (combined). Python does not allow implicit concatenation of str and int, so this line will raise a TypeError at runtime. This is the error-causing line.
- Line 6: print(lucky_character) would execute only if prior lines succeeded; since Line 4 raises an error, Line 6 is never reached.
Now, evaluating the provided options: options '3', '2', '5', and '4' correspond to the lines
a) 3 — would not error (string + string works).
b) 2 — not an error (input returns a string, no operation).
c) 5 — not an error (string indexing is valid).
d) 4 — this is the line that attempts to add an int to a string, causing a TypeError.
Thus, the line that would cause an error is the one labeled '4'.

类似问题

What is the result of the following code execution ? x = input("x = ") print(x+2)

You own a bond that pays $64 in interest annually. The face value is $1,000 and the current market price is $1,021.61. The bond matures in 11 years. What is the yield to maturity?

Which of the following statements is CORRECT?

It will cost $9,600 to acquire an ice cream cart that is expected to produce cash inflows of $3,600 a year for three years. After the three years, the cart is expected to be worthless. What is the payback period?

更多留学生实用工具

智能学习助手

风格化写作助手

论文查重助手

文献引用助手

课堂转译助手

课堂笔记助手

Quiz搜索助手

学校历年真题

智能刷题助手

智能匹配练习

希望你的学习变得更简单