Which of the following is NOT true about Python dictionaries?

Dictionaries contain references to objects as key$-$value pairs

Dictionaries are mutable $($e$.$g$.,$ entries can be added$)$

The code dict.items$()$ returns a list$-$like object that yields $($key$,$ value$)$ tuples

All of the above are TRUE statements

You can use a for loop to iterate through the keys in a dictionary