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# Tutor profile: Michael B.

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Michael B.
Master's Student in Machine Learning & Data Science
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## Questions

### Subject:Python Programming

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Question:

What is the purpose of the assert statement in Python?

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Michael B.

The assert statement in Python is a tool used for debugging and error checking. It allows you to ensure that certain variables in your code are behaving as they are supposed to, and will otherwise raise an error with an optional message, alerting the user that there is an error in the code.

### Subject:Artificial Intelligence

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Question:

Describe the two different classes of supervised machine learning algorithms.

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Michael B.

The two different classes of supervised machine learning algorithms are classification and regression. Classification tasks include labelled data that allow you to train a model that learns similarities between data of the same class and then uses the information to make inferences about the class for data which is not labeled. Regression tasks include data that can be split into independent and dependent variables, where trends in the independent variable allow you to assume the location of the dependent variable.

### Subject:Data Science

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Question:

Given a Pandas DataFrame named 'height_weight_df' containing the following information, how do you return the average height of all entrants? $(\begin{table}[] \begin{tabular}{lllll} & id & age & height & weight \\ 0 & 4865 & 22 & 62 & 100 \\ 1 & 9635 & 14 & 58 & 105 \\ 2 & 7025 & 54 & 68 & 160 \\ 3 & 6485 & 32 & 72 & 172 \\ 4 & 3014 & 18 & 64 & 125 \\ 5 & 8574 & 21 & 70 & 150 \end{tabular} \end{table}$)

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Michael B.

avg_height = height_weight_df['height'].mean()

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