レシピブック:027

[5] pry(main)> p "this is a thing".length
15
=> 15
[6] pry(main)> p "this is a thing".size
15
=> 15
[7] pry(main)> p "あかさたな".size
10
=> 10
[8] pry(main)> p "あかさたな".length
10
=> 10