プログラミング学習記録2/22

# p "name: %s" % "taguchi"
# p "name: %10s" % "taguchi"
# p "name: %-10s" % "taguchi"

# p "id: %05d, rate: %10.2f" % [355, 3.284]

# printf
# sprintf

p sprintf("name: %10s\n" , "taguchi")
p sprintf("id: %05d, rate: %10.2f\n" , 355, 3.284)

# score = gets.to_i

# if score > 80 then
# puts "great!"
# elsif score > 60 then
# puts "good!"
# else
# puts "nice!"
# end

puts "great!" if score > 80

signal = gets.chomp

case signal
when "red"
puts "stop"
when "green" , "blue"
puts "go"
when "yellow"
puts "caution"
else
puts "wrong signal"
end

# i = 0

# while i < 10 do
# puts "#{i}: hello"
# # i = i + 1
# i += 1
# end

# 10.times do |i|
# puts "#{i}: hello"
# end

10.times { |i| puts "#{i}: hello"}