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Create 1436.py

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	`1`	`+class Solution:`
	`2`	`+ def destCity(self, paths: List[List[str]]) -> str:`
	`3`	`+ cities_with_outgoing_path = set()`
	`4`	`+ for ca,cb in paths:`
	`5`	`+ cities_with_outgoing_path.add(ca)`
	`6`	`+ for ca,cb in paths:`
	`7`	`+ if cb not in cities_with_outgoing_path:`
	`8`	`+ return cb`
	`9`	`+`

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