E1. To be completed after lesson 6


Exercise 1.1

Describe in words the difference between a mutable and immutable object.

Exercise 1.2

What is the difference between a key and a value in a dictionary?

Exercise 1.3

Can a dictionary have duplicate keys? Can it have duplicate values?

Exercise 1.4

What is split-apply-combine and why is it important that a data set is tidy when doing split-apply-combine operations?

Exercise 1.5

Write down any questions or points of confusion that you have.