Python Libraries and Modules

Python Libraries and Modules - Important Points

1.		Which library in Python is used for scientific computing?

A. NumPy

B. Pandas

C. Matplotlib

D. Scikit-learn

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Answer: option a

Explanation:

NumPy is a library used for scientific computing in Python. It provides support for large, multi-dimensional arrays and matrices, along with a large collection of mathematical functions to operate on these arrays.

2.		Which module in Python is used for file input/output operations?

A. os

B. sys

C. io

D. shutil

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Answer: option a

Explanation:

The os module provides functions for file input/output operations in Python. It provides a way to interact with the operating system and access the file system, including functions for creating, reading, writing, and deleting files and directories.

3.		Which library in Python is used for data visualization?

A. Matplotlib

B. NumPy

C. Pandas

D. Scipy

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Answer: option a

Explanation:

Matplotlib is a library used for data visualization in Python. It provides a wide range of functions for creating various types of plots, including line plots, scatter plots, bar charts, and histograms.

4.		Which module in Python is used for regular expressions?

A. re

B. os

C. sys

D. datetime

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Answer: option a

Explanation:

The re module in Python is used for regular expressions. It provides functions for pattern matching and searching within strings, including support for searching and replacing text using regular expressions.

5.		Which library in Python is used for machine learning?

A. Scikit-learn

B. NumPy

C. Pandas

D. Matplotlib

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Answer: option a

Explanation:

Scikit-learn is a library used for machine learning in Python. It provides a range of tools and algorithms for data preprocessing, feature selection, model selection, and model evaluation.

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