Tuples

Question 1

True or False: Tuples can be reassigned

Answer 1

False - tuples are immutable (can index but not modify)

Question 2

What is the most common use case for tuples in SWE interviews?

Answer 2

Key for hash map:

myMap = {(1, 2): 3}

Question 3

Why is using a tuple better than using a list as a key in a hash map?

Answer 3

Lists can’t be keys in Python. Tuples are a great way to get around this