Course2 week3 exercise 7 3 test cases are failed

Course Q&A Natural Language Processing NLP with Probabilistic Models
1

hey @Mubsi why i am getting zero can you slove the issue
Wrong number of unknown tokens in the test_data_replaced list. Check the unknown token value and how you are using it.
Expected: 4
Got: 0.
Wrong number of unknown tokens in the train_data_replaced list. Check the unknown token value and how you are using it.
Expected: 10
Got: 0.
Wrong number of unknown tokens in the test_data_replaced list. Check the unknown token value and how you are using it.
Expected: 7
Got: 0.
9 Tests passed
3 Tests failed

2

Please follow the instructions, re-watch lecture video if you need more clarity on the concepts required for the assignments.