Comprehensive Course on Python Pandas

Python Pandas For Your Grandpa Wanna learn Pandas? I did. And I consolidated everything I learned into a 43 videos spanning roughly three hours of content, including 23 lecture videos (~2 hrs) and 20 challenge videos (~1 hr).
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Sort Binary Tree by Levels Using Python

The challenge You are given a binary tree: Your task is to return the list with elements from tree sorted by levels, which means the root element goes first, then root children (from left to right) are second and third, and so on. Return empty list if roo... (more…)

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