create nested dictionary in python dynamically

Say I have these two lists:

top_levels = ["a", "b", "c"]  sub_levels = ["d", "e", "f"]  

How do I create:

nested_dict = {     "a": {"d": 0, "e": 0, "f": 0},     "b": {"d": 0, "e": 0, "f": 0},     "c": {"d": 0, "e": 0, "f": 0},  }  

https://stackoverflow.com/questions/66540621/create-nested-dictionary-in-python-dynamically March 09, 2021 at 12:00PM