class Solution:
def uncommonFromSentences(self, s1: str, s2: str) -> List[str]:
uncommon_words = []
s1 = s1.split()
s2 = s2.split()
for word in s1:
if s1.count(word) == 1 and word not in s2:
uncommon_words.append(word)
for word in s2:
if s2.count(word) == 1 and word not in s1:
uncommon_words.append(word)
return uncommon_words