What is the output of the following code?

In which of the following scenarios would you use the `pass` statement?

Which function is used to read input from the user in Python 3?

How can you get the length of the list `a`?

Which of the following is **NOT** a valid variable name in Python?

Which of the following will raise an exception?

Which of the following methods will **NOT** alter the original list but will return a new sorted list?

Ready to try your hand at data science? This course is designed to challenge your existing knowledge and hands-on skills, ensuring you are fully prepared for any twists and turns a data science interview might present. We'll push your understanding of critical topics to the limit, assessing your readiness for real-life scenarios.

Let's take a look at what we'll be working with in this course. The first section will acquaint you with Python, a flexible and advanced programming language known for its clear syntax and readability.

NumPy is a fundamental library in Python that facilitates efficient numerical computations with powerful n-dimensional arrays and mathematical functions.

Pandas provides intuitive and versatile data structures for efficient data manipulation and analysis, streamlining the initial stages of the data science pipeline.

Matplotlib is a comprehensive Python library for creating static, animated, and interactive visualizations in Python.


Seaborn is a Python data visualization library based on Matplotlib that provides a high-level interface for creating informative and attractive statistical graphics.

Statistics provides data scientists with foundational techniques and tools to extract meaningful insights from data, allowing them to make informed decisions and predictions based on empirical evidence.

Scikit-learn is an open-source Python library that provides simple and efficient tools for data analysis and modeling, particularly for machine learning. Data scientists use it extensively for its comprehensive collection of algorithms and processing techniques, enabling them to quickly develop and deploy predictive models.

Data Science Interview Challenge

Theoretical Questions

1. What is the output of the following code?

2. In which of the following scenarios would you use the `pass` statement?

3. What is the output of the following code?

4. Which function is used to read input from the user in Python 3?

5. How can you get the length of the list `a`?

6. What will the code display?

7. Which of the following is NOT a valid variable name in Python?

8. Which of the following will raise an exception?

9. What will the following code return?

10. Which of the following methods will NOT alter the original list but will return a new sorted list?