access nested set with array params python
def nested_set(dic, keys, value):
for key in keys[:-1]:
dic = dic.setdefault(key, {})
dic[keys[-1]] = value
>>> d = {}
>>> nested_set(d, ['person', 'address', 'city'], 'New York')
>>> d
{'person': {'address': {'city': 'New York'}}}
from :
https://stackoverflow.com/questions/13687924/setting-a-value-in-a-nested-python-dictionary-given-a-list-of-indices-and-value