e

Question

e <- 4
f <- e + 5
e <- 6
f

The output returned is 11.

BlackTom AI · Accepted Answer

To start, let's parse the code line by line and track how variables change and what gets printed.
Option 1: True. The claim is that the final value of f is 11. However, after the first two lines, e is 4 and f becomes e + 5, which evaluates to 9. Then the line e <- 6 reassigns e to 6, but this does not modify f, which already holds the value 9 from the previous step. Finally, the expression f evaluates to 9, not 11. Therefore, the statement that the output is 11 is incorrect.
Option 2: False. This is the correct evaluation of the code because f was computed before e was updated to 6, and f retains the 9 that came from the earlier e value (4) being used in the calculation. The later reassignment of e has no retroactive effect on f. Hence, the printed or returned value is 9, not 11.
Additional note: If someone misinterprets the sequence and thinks f would automatically reflect the new e value, they are assuming lazy or dynamic binding, which is not how this imperative sequence operates in R. The operations are executed in order, and f is bound to the result of e + 5 at the time f was created, independent of future changes to e.

COMM_V 205 101 102 103 2025W1 R Review Quiz

e <- 4 f <- e + 5 e <- 6 f The output returned is 11.

查看解析

登录即可查看完整答案

类似问题

What is wrong with the following code snippet? result = num1 // num2 / num3 num1 = 20 num2 = 10 num3 = 2 print(result)

Which of the following correctly exemplifies a Java expression for copying a variable?

In Java, what is the purpose of an assignment statement?

Consider the following code: What value is stored in the variable: result

What is the value of x after running this code if x = 5 before the code is run?

Variables in Python are created by _______.

Consider the following code: x := 5 y := 6 y := x What is the final value of y after the code is executed?

更多留学生实用工具

考试浏览器助手

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