ary.rb

ary_num = [1,3,5,7]
puts ary_num
p ary_num

ary_animal = ["cat","dog","rabit"]
puts ary_animal
p ary_animal

ary_num.push(9,11)
puts ary_num.sum
puts ary_num


ary_animal.push("horse")
puts ary_animal
puts " "

ary_num.concat(ary_animal)
puts ary_num

ary_num + ary_animal
puts ary_num

puts ary_num.length
puts ary_num[-1]

ary=[100,244.88,-3,4,5,6,7,8,9,10]
puts ary.sum