2490Return ring sentence

topic：

[2490]Return ring sentence.md

Thought：

Divide each word，Then stitch together（123Stitch123123），Determine whether the next word corresponding to each word meets whether the next word meets the same first。

Code：

class Solution:
    def isCircularSentence(self, sentence: str) -> bool:
        sentence = sentence.split(' ')
        length = len(sentence)
        sentence += sentence
        for i in range(0, length):
            if sentence[i][-1] != sentence[i+1][0]:
                return False
        return True