Top K Frequent Words in a String

Given a long string, return the top K most frequent words. Implement a function top_k_frequent_words(text: str, k: int) -> List[str>, where text is the input string, and k is the number of words to return. You can assume the text contains only letters and spaces. Words in the result should be sorted by frequency in descending order, and alphabetically for words with the same frequency. Provide at least 3 test cases. Example Input the day is sunny the the the sunny is is 4