How to solve leetcode #217 - Contains Duplicate in Python. This is one of the most popular leetcode questions and is asked by a lot of big tech companies such as Amazon, Facebook, Google, and Microsoft. This video assumes prior knowledge of Linked Lists. This is a great question to prep for technical interviews.
0:00 - Intro
0:10 - conceptual solution
2:17 - code
Video on Dummy Node concept https://youtu.be/-Cjgt5I0YvM
#fang #leetcode #codinginterview #linkedlists #python
