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Original file line number	Diff line number	Diff line change
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	`1`	`+class Solution:`
	`2`	`+ def isPowerOfThree(self, n: int) -> bool:`
	`3`	`+ if n == 1:`
	`4`	`+ return True`
	`5`	`+ if n < 1:`
	`6`	`+ return False`
	`7`	`+ return self.isPowerOfThree(n/3)`
	`8`	`+`

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