String type and interpolation in PowerShell - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to create a double-quoted string that supports variable interpolation.

PowerShell

$name = 'Alice'
$message = [1]"Hello, $name!"

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

A"

B$

C'

D`

Attempts:

3 left

💡 Hint

Common Mistakes

Using single quotes which do not interpolate variables.

Using backticks which are escape characters, not string delimiters.

Double quotes " " allow variable interpolation in PowerShell strings, so $name will be replaced by its value.

2fill in blank

medium

Complete the code to create a here-string that preserves line breaks.

PowerShell

$text = @[1]
This is line one.
This is line two.
@

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

A"""

B@"

C@'

D"

Attempts:

3 left

💡 Hint

Common Mistakes

Using single quotes @' which create literal strings without variable interpolation.

Using triple quotes which are not valid in PowerShell.

Here-strings in PowerShell start with @" and end with "@ to preserve formatting and line breaks.

3fill in blank

hard

Fix the error in the string interpolation to correctly include the variable value.

PowerShell

$count = 5
Write-Output "You have [1] items."

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

A'$count'

B$count

C${count}

D`$count

Attempts:

3 left

💡 Hint

Common Mistakes

Using single quotes which prevent interpolation.

Using backtick which escapes the dollar sign instead of interpolating.

Using ${count} inside double quotes ensures the variable name is clearly delimited for interpolation.

4fill in blank

hard

Fill both blanks to create a string that includes a variable and a calculated expression.

PowerShell

$price = 10
$quantity = 3
$total = [1]"Total cost: $[2]"

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

A"

Bprice * quantity

Cprice + quantity

D'

Attempts:

3 left

💡 Hint

Common Mistakes

Using single quotes which prevent interpolation.

Using addition instead of multiplication for total cost.

Double quotes allow interpolation, and using ${price * quantity} calculates the total inside the string.

5fill in blank

hard

Fill all three blanks to create a here-string with variable interpolation and a newline.

PowerShell

$user = 'Bob'
$message = @[1]
Hello, $[2]!
Welcome to the system.
[3]

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

A"

Buser

C"@

D'@

Attempts:

3 left

💡 Hint

Common Mistakes

Using single quotes '@ which create literal strings without interpolation.

Forgetting to close the here-string properly.

Here-strings start with @" and end with "@ for interpolation; $user is referenced inside the string.