HOW TO Find the Town Judge - Leetcode 997

Leetcode 997. Find the Town Judge - Python Solution

Problem Statement: [https://leetcode.com/problems/find-th...]
In a town, there are n people labeled from 1 to n. There is a rumor that one of these people is secretly the town judge.

If the town judge exists, then:

The town judge trusts nobody.
Everybody (except for the town judge) trusts the town judge.
There is exactly one person that satisfies properties 1 and 2.
You are given an array trust where trust[i] = [ai, bi] representing that the person labeled ai trusts the person labeled bi. If a trust relationship does not exist in trust array, then such a trust relationship does not exist.

Return the label of the town judge if the town judge exists and can be identified, or return -1 otherwise.
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Key Moments
0:00 Intro to HOW TO Find the Town Judge
0:18 Explanation of HOW TO Find the Town Judge
6:04 Code for HOW TO Find the Town Judge
7:20 Results
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