Python Data Science Jobs & Interviews
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Your go-to hub for Python and Data Scienceβ€”featuring questions, answers, quizzes, and interview tips to sharpen your skills and boost your career in the data-driven world.

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What is the most important step in the data science process?
Anonymous Quiz
29%
Data collection
39%
Data cleaning
26%
Data analysis
6%
Data visualization
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Python Data Science Jobs & Interviews
What is the most important step in the data science process?
Explanation :

While all steps are crucial, clean and accurate data is the foundation for any successful data science project!
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What type of project do you enjoy working on the most?

1. Personal projects
2. Open-source contributions
3. Freelance work
4. Corporate projects
5. Academic projects

If any other, add in comments πŸ‘‡πŸ‘‡
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Which of the following is a common programming language used in data science?
Anonymous Quiz
67%
Python
6%
R
3%
Java
24%
Both A & B
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Which career impresses you the most?
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❓ What does [ ::-1 ] do?

❗️ Answer: [::-1] is used to reverse the order of an array or sequence.

πŸ” For example:
import array as arr
My_Array=arr.array('i',[1,2,3,4,5])
My_Array[::-1]


Output: array('i', [5, 4, 3, 2, 1])

🌟 [::-1] reprints a reverse copy of an ordered data structure such as an array or list. The original array or list remains unchanged.
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πŸ–₯ 25 Python Interview Questions and Answers for Middle

⚑️ Read the article

https://t.iss.one/DataScienceQ βœ…
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❓ What will this code output and why?

❗️ Answer: 6. Explanation:

1. In the outer_func function, x is created with the value 2.

2. Next, the inner_func function is declared, it does not remember the value of x or y immediately, but will receive it only when it is used.

3. x becomes equal to x + 2, i.e. 4, y is declared with the value 2

4. the return block (x(4) + y(2) = 6) is executed.

5. Despite declaring the value y = 3, the inner_func function will be called only after returning the value y = 2. Therefore, the output will be 6.


https://t.iss.one/DataScienceQ
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Correct response in comments

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Correct response in comments

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Correct response in comments

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Correct response in comments

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Correct response in comments

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Correct response in comments

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❓ What will this code output?
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