Exercise 22 - THe other 3 programs in Ruby

Program2.rb

if (5+5==10)
puts "this is true"
else
puts "this is false"
end

Program3.rb

ef choose
puts "Do you like programming? Yes or no please"
choice = gets.chomp
case choice.downcase
when "yes"
puts "That\'s great!"
when "no"
puts "THat\'s too bad!"
when "maybe"
puts "Glad you are giving a chance"
else
puts "I have no idea what that means"
end
end
choose

Program4.rb

# number = 0
# while (number<=10) do # while this condition is true, do...
# p "the number is now#{number}" # whatever is in this code block
# number += 1 # short for number = number +1
# end 
(0..10).each do |n|
p "the new number is #{n}"
end