Well it wouldn’t be a proper welcome without a code snippet would it…?!?!

Below is some Ruby code that returns true if 3 is between 1 and 5 inclusive otherwise false.

Beast@Destiny~ $ irb
irb(main):001:0> (1..5) === 3
=> true
irb(main):002:0> (1..5) === 7
=> false
irb(main):003:0> exit
Beast@Destiny~ $

You can read up more on Interactive Ruby shell or irb here

If you have Ruby installed you can run:

man irb