Thanks! NOW, I think I get it. Here's my program:

# Write a program which asks for a person's favorite number. Have your
#program add one to the number, then suggest the result as a bigger and

#better favorite number.


puts "What is your favorite number? "
num = gets.chomp
better = num.to_i + 1
puts 'This is a better number: ' + better.to_s + '.'


Gregor's solution is compact (good thing) but it's too advanced for me
now.  :-)
What is it? Looks like a Python concocted commented out dictionary to
me...    :-)
Thanks again!