Create 1436.py

Author: chandansgowda

1001-1500/1436.py

@@ -0,0 +1,9 @@
+class Solution:
+    def destCity(self, paths: List[List[str]]) -> str:
+        cities_with_outgoing_path = set()
+        for ca,cb in paths:
+            cities_with_outgoing_path.add(ca)
+        for ca,cb in paths:
+            if cb not in cities_with_outgoing_path:
+                return cb
+