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Command Line Interfaces in Python (Overview)

Adding the capability of processing Python command line arguments provides a user-friendly interface to your text-based command line program. It’s similar to what a graphical user interface is for a visual application that’s manipulated by graphical elements or widgets.

Python exposes a mechanism to capture and extract your Python command line arguments. These values can be used to modify the behavior of a program. For example, if your program processes data read from a file, then you can pass the name of the file to your program, rather than hard-coding the value in your source code.

By the end of this course, you’ll know:

  • The origins of Python command line arguments
  • The underlying support for Python command line arguments
  • The standards guiding the design of a command line interface
  • The basics to manually customize and handle Python command line arguments
  • The libraries available in Python to ease the development of a complex command line interface

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Sample Code (.zip)

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Course Slides (.pdf)

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