e8.2-3.rb

学习ruby比较好的入门教材,可以

#E8.2-3.rb

str = " this is you string ."
puts  str*2

str = " this is you string .\n"
puts  str*2

str = " \tthis is you string ."
puts  str

str = ' this\'s you string .\n'
puts  str