1 class Solution: 2 def indexPairs(self, text: str, words: 'List[str]') -> 'List[List[int]]': 3 result = list() 4 n = len(text) 5 for word in words: 6 begin = 0 7 while text.find(word,begin) >= 0: 8 idx = text.find(word,begin) 9 result.append([idx,idx+len(word)-1]) 10 begin = idx + 1 11 12 return sorted(result,key=lambda x:[x[0],x[1]])
