In case you get stuck anywhere, don't be afraid to ask the coaches! They are here to help and will gladly explain everything to you!
Take notes during the exercises. Even if you never look at them again, they will help you memorise things!
Create a new file in your directory
Create a range with the numbers from 1 to 40, without actually using the number 40 in your code
Using a range method, find out what the first and the last item in the range is
Check if the range includes the number 44
Check the Ruby documentation for a method that returns the number of items in the range
Increase all the numbers in your range by 2
Finally, make an array out of your range
Create another range with the characters
In the Ruby documentation, search for the method to find out the minimum value of your range
What is the first and the last value of your range?
Does your range include the character
What can you learn from question 10?