Why functions organize scripts in PowerShell - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a function named 'Greet' that prints a message.

PowerShell

function [1] {
    Write-Output "Hello, friend!"
}

Drag options to blanks, or click blank then click option'

AGreet

BSayHello

CPrintMessage

DHelloWorld

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different function name than 'Greet'.

Forgetting to write 'function' keyword.

The function name should be 'Greet' to match the task requirement.

2fill in blank

medium

Complete the code to call the function named 'Greet'.

PowerShell

[1]

Drag options to blanks, or click blank then click option'

AGreet

BInvoke-Greet

Cfunction Greet()

DWrite-Output 'Greet'

Attempts:

3 left

💡 Hint

Common Mistakes

Trying to call the function with 'function' keyword.

Using Write-Output instead of calling the function.

To call a function in PowerShell, just write its name.

3fill in blank

hard

Fix the error in the function definition by completing the blank.

PowerShell

function Greet {
    [1] "Hello from function!"
}

Drag options to blanks, or click blank then click option'

APrint

BWrite-Output

CSay

Decho

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'Print' or 'Say' which are not PowerShell commands.

Using 'echo' which works in some shells but not recommended here.

In PowerShell, 'Write-Output' sends output to the console.

4fill in blank

hard

Complete the code to create a function 'Add' that takes two numbers and returns their sum.

PowerShell

function Add($a, $b) {
    return $a [1] $b
}
$result = Add 5,3
Write-Output $result

Drag options to blanks, or click blank then click option'

A+

B,

C-

D*

Attempts:

3 left

💡 Hint

Common Mistakes

Using '-' or '*' instead of '+'.

Not separating arguments with a comma.

Use '+' to add numbers and ',' to separate arguments when calling the function.

5fill in blank

hard

Fill all three blanks to define a function 'IsEven' that returns true if a number is even.

PowerShell

function IsEven($num) {
    if ($num [1] 2 [2] 0) {
        return [3]
    } else {
        return $false
    }
}
Write-Output (IsEven 4)

Drag options to blanks, or click blank then click option'

A%

B-eq

C$true

D==

Attempts:

3 left

💡 Hint

Common Mistakes

Using '==' instead of '-eq' for equality.

Returning 'true' instead of '$true'.

Use '%' for modulo, '-eq' for equality check, and '$true' to return true.