learn_ruby_ch3_pt3

Question 1

Unless statement (lang “de”)

Answer 1

unless lang == "de"
  dog = "dog"
else
  dog = "Hund"
end

Question 2

Unless as a statement modifier (age)

Answer 2

age = 10
puts age += 1 unless age > 29 # 11
age = 31
puts age += 1 unless age > 29 # no output

Question 3

Until statement (weight)

Answer 3

weight = 150
until weight == 200 do
  puts "Weight: " + weight.to_s
  weight += 5
end

Question 4

begin until statement (weight)

Answer 4

weight = 150

begin
puts “Weight: “ + weight.to_s
weight += 5
end until weight == 200

Question 5

until as statement modifier (age)

Answer 5

age = 1
puts age += 1 until age > 28

prints 2 through 28