python read in command line arguments
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Command line arguments allow you to pass information to your Python scripts when executing them from the terminal. This tutorial will guide you through the process of reading command line arguments in Python, along with examples.
Command line arguments are values passed to a script when it is run in the terminal. These arguments can be used to customize the behavior of your script based on user input. In Python, the sys module provides access to command line arguments through the argv list.
Import the sys module:
Start by importing the sys module, which provides access to command line arguments.
Access Command Line Arguments:
The command line arguments are stored in the sys.argv list. The first element (sys.argv[0]) is the script name, and subsequent elements are the arguments.
Processing Command Line Arguments:
Extract and process the command line arguments as needed for your script.
Save the above code in a file named script.py.
Open your terminal.
Navigate to the directory containing script.py.
Run the script with an additional argument:
Replace example_argument with the desired argument.
Reading command line arguments in Python is a straightforward process using the sys module. By incorporating command line arguments into your scripts, you can create more versatile and customizable programs. Remember to handle cases where the expected number of arguments is not provided to ensure a smooth user experience.
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