Implement a function to calculate the BLEU score between two sentences. **Example:** Given two sentences, calculate the BLEU score. **Constraints:** The sentences will be provided as input.
Test Cases
Test Case 1
Input:
'The cat is on the mat', 'The cat is on the mat'Expected:
1.0Test Case 2
Input:
'This is a test sentence', 'This is a test sentence'Expected:
1.0+ 3 hidden test cases