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Would you be able to write code for inverting a binary tree in the programming language you prefer?

Gradient issues can be frustrating in deep learning. What are your tried-and-tested techniques to manage these problems?

Create a URL compression service similar to TinyURL.

How do you weigh the pros and cons of different algorithms when selecting the most appropriate one for a specific machine learning task?

Write code to implement a text wrapper that takes in a long string and a character limit as inputs and returns a list of strings, where each string is limited to the specified number of characters, split only at spaces.

Can you describe a process for determining the dot product of two sparse matrices?

Could you give an overview of how collaborative filtering is used in ML applications?

Can you write an algorithm to find the integer that introduces a problem in an array of sorted integers from 0 to n? Ensure that your solution has a time complexity of O(log n).

Develop a streaming music service similar to Spotify.

How do bias and variance factor into decision trees? Plus, which one is more problematic - high bias or high variance - and how do you justify that?