How do I use the fetch method for nested hash?

Question

I have the following hash:

hash = {\'name\' => { \'Mike\' => { \'age\' => 10, \'gender\' => \'m\' } } }

I can access the age by:

Answer 1

if you can

use:

hash[["ayy","bee"]]

instead of:

hash["ayy"]["bee"]

it'll save a lot of annoyances