How to extract a list of values from a list of objects in Terraform?

Question

Consider the following variable declaration:

```
variable "mylist" {
  type = list(object({id = string}))
}
```

Which expressions can be used to create a list of `id` from this variable? (2 correct answers)

Accepted Answer

`[ for o in var.toto : o.id ]`

Accepted Answer

`var.list[*].id`

Answer

`[ var.list[*].id ]`

Answer

`{ for o in var.toto : o => o.id }`

Question from the Terraform : certification training test