learning.rb

# options
@option_names = ["Small", "Lose a Spin", "Small", "Tiny", "Large", "Lose a Spin", "Small", "Large", "Lose a Spin", "Spin Again"];

def try_spin(s)
    #puts "trying spin #{s}"
    result = rand(10)
    #puts "you scored a #{@option_names[result]}"
    result
end

def play_game
    spin_count = 3
    while spin_count > 0
        r = try_spin(spin_count)
        case r
            when 1,5
                spin_count = spin_count - 2
            when 4,7
                return 'large'
            when 2,6
                return 'small'
            when 3
                return 'tiny'
            when 9
                spin_count = spin_count + 1
        else # this will never happen
                spint_count = spin_count - 1
        end
    end
    return 'lose'
end


freq = {'large' => 0, 'small' => 0, 'tiny' => 0, 'lose' => 0}

1.upto(1000) do |i|    
    #puts "starting trial #{i}"
    r = play_game
    puts r
    freq[r] += 1
end

p freq