Which of the following statements about functions and methods for complex data types are correct?
Note: There are 3 correct answers to this question.
The method ".count()" can be used for tuples, lists, and dictionaries.
❌
The method ".sort()" cannot be used for tuples, because tuples are immutable.
✅
The function "len()" can be used for tuples, lists, and dictionaries.
✅
"del" cannot be used for items of a tuple, because tuples are immutable.
✅
You cannot use the method ".append()" for dictionaries, because dictionaries are immutable.
❌