Ruby Practice

Run your Ruby file by typing ruby and then the name of the file you want to run in the Terminal.

If we want to run integer_math.rb, we can write the command:

ruby integer_math.rb

To re-run this command, you can use the UP and DOWN arrow keys to look at the history of commands you've run in a Terminal.

Integer

integer_math.rb

If you divide the number of days in a regular year by the number of days in a week, what's the remainder?

Your output should be a number; for example,

4

integer_odd.rb

It should ask the user to enter a number (using gets) and output true or false if the entered number is odd.

Example (13 is the input):

"Enter an odd number:"
13
true

Example (12 is the input):

"Enter an odd number:"
12
false

integer_birth_year.rb

Ask for a person’s age, and then calculate and display what year they were born in.

Input: 80

Key output: "Wow, you were born in 1940. You're old!"

Complete input and output example:

"How old are you?"
80
"Wow, you were born in 1940. You're old!"

Specs

Click here to see names of each test

integer_math.rb should output '1'

integer_odd.rb should output 'true' if the entered number is odd

integer_odd.rb should output 'false' if the entered number is not odd

integer_birth_year.rb should output'Wow, you were born in 1940. You're old!' if the input is 80.

integer_birth_year.rb should output'Wow, you were born in 1940. You're old!' if the input is 80.