Type conversion functions in Terraform - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to convert the string "123" to a number.

Terraform

number_value = [1]("123")

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

Atonumber

Btostring

Ctolist

Dtomap

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'tostring' instead of 'tonumber'.

Forgetting to use a conversion function.

The function tonumber converts a string to a number in Terraform.

2fill in blank

medium

Complete the code to convert the number 456 to a string.

Terraform

string_value = [1](456)

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

Atostring

Btonumber

Ctolist

Dtomap

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'tonumber' instead of 'tostring'.

Using list or map conversion functions by mistake.

The function tostring converts a number to a string in Terraform.

3fill in blank

hard

Fix the error in the code to convert a list of strings to a list of numbers.

Terraform

numbers = [for s in string_list : [1](s)]

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

Atostring

Btonumber

Ctolist

Dtomap

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'tostring' which converts to string, not number.

Using 'tolist' or 'tomap' which are for collections.

Use 'tonumber' to convert each string in the list to a number.

4fill in blank

hard

Fill both blanks to convert a map of strings to a map of numbers.

Terraform

numbers_map = { for k, v in string_map : k => [1](v) if [2](v) != null }

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

Atonumber

Btostring

Dlength

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'tostring' instead of 'tonumber'.

Using 'length' which returns number of characters, not conversion.

Use 'tonumber' to convert values and check if conversion is not null.

5fill in blank

hard

Fill all three blanks to convert a list of mixed strings to a list of numbers, skipping invalid entries.

Terraform

valid_numbers = [for s in mixed_list : [1](s) if [2](s) != null and [3](s) != ""]

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

Atonumber

Ctrimspace

Dtostring

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'tostring' instead of 'tonumber'.

Not trimming spaces before checking for empty strings.

Convert strings to numbers, check conversion is not null, and skip empty strings after trimming spaces.