NumPy Beginner Quiz
Master NumPy basics including arrays, indexing, slicing, shapes, and basic operations
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A preview of the style and depth. Try each one, then reveal the answer — or skip straight to the timed quiz.
1. What is NumPy?
- A database library
- Numerical Python library for arrays and matrices
- A web framework
- A plotting library
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Answer: Numerical Python library for arrays and matrices. NumPy is the fundamental package for scientific computing in Python. It provides support for large multi-dimensional arrays and matrices, along with mathematical functions.
2. What is the main data structure in NumPy?
- Dictionary
- ndarray (N-dimensional array)
- List
- Tuple
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Answer: ndarray (N-dimensional array). The ndarray (N-dimensional array) is NumPy's core data structure. It's a homogeneous, multi-dimensional container for fixed-size items.
3. How do you import NumPy?
- All of the above
- import numpy as np
- from numpy import *
- import numpy
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Answer: All of the above. All methods work, but import numpy as np is the standard convention. It provides a shorter alias while avoiding namespace pollution.
Frequently asked questions
How many questions are in this NumPy quiz?+
30 questions, with a 45-minute time limit. Every question includes a written explanation of the correct answer.
Is this NumPy quiz free?+
Yes. Every quiz on CodexQuizz is free and needs no account. You only enter a name if you choose to post your score to the leaderboard.
What level is the beginner quiz aimed at?+
Master NumPy basics including arrays, indexing, slicing, shapes, and basic operations
Can I use this to prepare for a NumPy interview?+
Yes. The questions cover the topics that come up in NumPy technical screens, and the explanations are written so that a wrong answer still teaches you the underlying concept.
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