Question

choose the type of collection described. a uses square brackets. you use append to add to the collection. a uses curly brackets. you use update to add to the collection. a uses parentheses. you cannot change it once you create it.

Explanation:

In Python, lists use square - brackets and the append method to add elements. Sets use curly - brackets and the update method to add elements. Tuples use parentheses and are immutable (cannot be changed once created).

Answer:

1. List
2. Set
3. Tuple