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Practice

Importing External Modules

So far, you’ve worked with Python’s built-in modules such as math, random, and datetime.

Beyond these, Python offers a vast ecosystem of external modules developed by the community.


External Modules​

External modules are libraries that are not part of Python’s standard library.

Key characteristics include:

  • Extending Python’s capabilities for tasks like web scraping, data analysis, visualization, and machine learning
  • Being published on the Python Package Index (PyPI)
  • Installable via the package manager pip

You’ll use them whenever you need functionality that isn’t built into Python by default.


Examples​

Examples of popular external modules include:

  • requests — sending HTTP requests
  • openpyxl — working with Excel files
  • pandas — performing data analysis
  • matplotlib — creating visualizations

Instead of building everything from scratch, you can import and reuse these modules — saving time and reducing errors.

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