[Solved] Identify the error in this PowerShell function that is supposed to return the sum of two numbers:function Add-Numbers { param($a, $b) $sum = $a + $b Write-Host $sum } | PowerShell

PowerShell - Functions

Identify the error in this PowerShell function that is supposed to return the sum of two numbers:

function Add-Numbers {
  param($a, $b)
  $sum = $a + $b
  Write-Host $sum
}

AThe function does not use the return keyword to send back the sum.

BThe parameters are not declared correctly.

CThe addition operator '+' is invalid in PowerShell.

DThe variable $sum is not assigned properly.

Step-by-Step Solution

Solution:

Step 1: Check how the function returns the result
The function uses Write-Host to display the sum but does not use return to send the value back to the caller.
Step 2: Understand the difference between output and return
Write-Host sends output to the pipeline but does not return a value from the function in the expected way for assignment.
Final Answer:
The function does not use the return keyword to send back the sum. -> Option A
Quick Check:
Return keyword needed to send value back [OK]

Quick Trick: Use return to send values back, not just Write-Host [OK]

Common Mistakes:

Master "Functions" in PowerShell

9 interactive learning modes - each teaches the same concept differently

More PowerShell Quizzes

Identify the error in this PowerShell function that is supposed to return the sum of two numbers: