Interactive Ruby Lesson

puts "hello"
"Benjamin".reverse
puts "Hi, {#name}"
def say_hi
print "What is your name: "
name = gets.chomp
puts "Hi, #{name}"
say_hi
def say_hello
puts "Hello, Ben"
end
say_hello
quit
def say_hi(name)
puts "Hey, #{name}!"
end
say_hi("Ben")
"Ben".inspect
12345.inspect
def print_array(input_array)
input_array { |x| puts x }
end
print_array([1,2,3,4,5])
array1 = [1,2,3,4,5]
print_array(array1)
def print_array(input_array)
input_array.collect {|x| puts x}
end
print_array(array1)
Math.sqrt(1282)
Time.now
Array.new(10, 'bee')
include Math
sqrt 64 
history
puts Readline::HISTORY.to_a