Running with Multiple Users

This trial run will be different from all of the others. We’re going to assume our user interface will keep track of two things:

• The email address for each user.

• The quiz they are taking at any given time.

Other than that, we’ll make no assumptions at all. We’ll refer to all processes by some name, and we’ll keep track of more than one user at a time.

Tracking data

Let’s open up the iex terminal and get started:

Executable

Output

iex(1)> alias Mastery.Examples.Math 
Mastery.Examples.Math
iex(2)> email1 = "mathter_of_the_universe@example.com" 
"mathter_of_the_universe@example.com"
iex(3)> email2 = "mam_math@example.com" 
"mam_math@example.com"
iex(4)> title =