文章作者：Tyan
博客：noahsnail.com | CSDN | 简书
1. Description
Replace Words
2. Solution
解析：Version 1，将字典用map表示，遍历所有单词，遍历每个单词的前n个字符，判断是否在字典中，如果在，则替换单词。
- Version 1
class Solution:
def replaceWords(self, dictionary: List[str], sentence: str) -> str:
dictionary = {item: item for item in dictionary}
words = sentence.split(' ')
result = []
for word in words:
for i in range(1, len(word) + 1):
if word[:i] in dictionary:
word = word[:i]
break
result.append(word)
return ' '.join(result)
