たのしいRuby11章

11-1.rb

#!/usr/bin/env ruby
#-*- coding: utf-8 -*-
a = Array.new
100.times do |i|
  a << i + 1 
end

11-2.rb

#!/usr/bin/env ruby
#-*- coding: utf-8 -*-

a = Array.new
100.times do |i|
  a << i + 1 
end

p a[2]

a2 = Array.new
100.times do |i|
  a2 << a[i] * 100
end

p a2[2]

100.times do |i|
  a[i] *= 100
end
p a[0]