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How does a typical Data Science project unfold, from the initial planning to the final delivery?

Find the maximum sum path that goes through the root of a tree and return its sum.

How would you construct a Python object class that can iterate through sequences?

Going back to when Meta only offered 'Comment' and 'Like', how would you develop a plan to test new buttons representing different emotions? And how would you methodically set up an A/B test to validate this plan?

How would you construct a function to find the RMSE for a pair of input arrays?

How do you deal with your current workload?

What is the principle of median in data analysis, and how would you go about finding the median of a large-scale dataset?

Tell me about a community that you're passionate about. How would you contribute if you were given the chance?

Explain the purpose of the X and Y axes in a ROC curve.

How do you go about detecting every English word contained in a string of text?