Which of the following statements about dictionaries are correct?
Note: There are 3 correct answers to this question.
Within dictionaries, you can access the elements by index and by key.
❌
Dictionaries are immutable.
❌
It is possible to add and delete key-value pairs from a dictionary.
✅
A tuple can be a key within a dictionary. A list cannot be a key of a dictionary.
✅
Within dictionaries, you can access the elements by key only.
✅