Create a defaultdict called ner_categories, with the default type set to int. # Create the defaultdict: ner_categories n

Here's the completed code: ``` # Import necessary modules import nltk from nltk.tokenize import sent_tokenize, word_tokenize from collections import defaultdict # Create the defaultdict: ner_categories ner_categories = defaultdict(int) ``` The code imports `nltk`, `sent_tokenize`, `word_tokenize`, and `defaultdict` from `collections`. It then