返回搜索词在python3中的最后一次出现

def find_last_occurrence(search_word, text):
    last_occurrence = text.rfind(search_word)
    return last_occurrence

# 示例调用
text = "This is a sample text. This text contains the word 'text' multiple times."
search_word = "text"
last_occurrence = find_last_occurrence(search_word, text)
print(f"The last occurrence of '{search_word}' is at index {last_occurrence}.")

The last occurrence of 'text' is at index 55.