A tuple cannot store list as an element.

Creating individual values from a tuple's elements is called packing.

Which of the statement(s) is/are correct?

1. Python Dictionary is an unordered collection of items.
2. Python Dictionary is a mapping of unique keys to values.
3. Dictionary is mutable.
4. All of these

If tup = (20, 30, 40, 50), which of the following is incorrect?

1. print (tup[3])
2. tup[2] = 56
3. print (max(tup))
4. print (len(tup))