Tuples and Sets
A tuple is a list that cannot change. A set keeps only unique items.
Examplepython
Quick check
What does a set do with duplicates?
Your turn: write the code
Print how many different letters are in the word banana. A set helps.
Finish the quick check (and any code exercise) to complete this lesson, or mark it done yourself.
Tip: use the left and right arrow keys to move between lessons.