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…)

Artificial Intelligence(AI) and Machine Learning(ML) are literally on fire these days. Powering a wide spectrum of use-cases ranging from self-driving cars to drug discovery and to God knows what. AI and ML have a bright and thriving future ahead of them.... (more…)

Contextual advertising with Text Classification API... (more…)

In this step-by-step tutorial, you'll learn how to connect to different database management systems by using various Python SQL libraries. You'll interact with SQLite, MySQL, and PostgreSQL databases and perform common database queries using a Python appl... (more…)

python-fire - Python Fire is a library for automatically generating command line interfaces (CLIs) from absolutely any Python object. (more…)