chpt_3a.rb

puts ('hello '.+ 'world')
puts ((10.* 9).+9)
puts self

puts''

var1 = 'stop'
var2 = 'deliver repaid desserts'
var3 = '....TCELES B HSUP A magic spell?'

puts var1.reverse
puts var2.reverse
puts var3.reverse

puts''

puts var1
puts var2
puts var3

puts''

puts 'What is your full name?'
name = gets.chomp

puts''

puts 'Did you know there are ' + name.length.to_s + ' characters'
puts ' in your name, ' + name + '?'

puts 'What is your first name?'
f_name = gets.chomp.to_s

puts 'What is your middle name?'
m_name = gets.chomp.to_s

puts 'What is your last name?'
l_name = gets.chomp.to_s

puts''

puts 'Did you know there are characters ' + (f_name.length + m_name.length + l_name.length).to_s
puts ' in your whole name?' 

puts''

letters = 'aAbBcCdDeE'

puts letters.upcase
puts letters.downcase
puts letters.swapcase
puts letters.capitalize
puts ' a'.capitalize
puts letters

line_width = 50

puts( 'Old Mother Habbard'.center(line_width))
puts( 'sat in her cupboard'.center(line_width))
puts( 'Eating her curds and whey'.center(line_width))
puts( 'When along came a spider'.center(line_width))
puts('And scared her poor shoe dog away.'.center(line_width))

puts''

line_width = 40
str = '--> text <--'
puts (str.ljust( line_width))
puts (str.center(line_width))
puts (str.rjust( line_width))
puts (str.ljust(line_width/2) + str.rjust(line_width/2))

puts 'I am your angry boss! What do you want!? OH AND MAKE IT SNAPPY!'

want = gets.chomp

puts "WHADDA YA MEAN " + want + "! YOU'RE FIRED!!"

line_width = 40

puts 'Table of contents'.center(line_width)