[Ruby] exercise _ Get Double Age

Write a method get_double_age that takes in a hash and returns twice the "age" value of the hash.

def get_double_age(hash)

end

puts get_double_age({"name"=>"App Academy", "age"=>5}) # => 10
puts get_double_age({"name"=>"Ruby", "age"=>23})       # => 46

def get_double_age(hash)
  return hash["age"] * 2
end

puts get_double_age({"name"=>"App Academy", "age"=>5}) # => 10
puts get_double_age({"name"=>"Ruby", "age"=>23})       # => 46