Create dict of dict when iter over list of keys

For example:

I need to create a dict of dict when iter over a list of keys

example I have this list

my_dict = {'root': {}}
my_keys = ['foo', 'bar', 'lorem', 'ipsum']

I wanna create a function to return this following dict

my_dict = {
    'root': {
        'foo': {
            'bar': {
                'lorem': {
                    'ipsum': {}
                }
            }
        }
    }
}

I think something using recursion, but I’m stucked in the logic.

>Solution :

cur_level = my_dict["root"]
for key in my_keys:
    cur_level[key] = {}
    cur_level = cur_level[key]